Natural Log Question: How do I solve 20,000 = (1 + r)^5 ?

[daisy]

How do I solve for r?

20000 = (1 + r)^5

[stapel_eliz]

How do I solve for r?

20000 = (1 + r)^5

From your subject line, I will guess that you are supposed to solve by using logs. To learn how to solve exponential equations, try here. Then note that:

. . . . .

...and see where that leads.

[daisy]

so... 20000 = 5 x ln(1 + r)... I concur with this statement.
But how do you evaluate ln(1 + r) in a attempt to solve the equation for "r"?

[stapel_eliz]

You'd have to switch back to exponential form, evaluate, and then subtract the 1.

(It would have been simpler to use roots, rather than logs, but I followed what you'd specified in your subject line.)

[daisy]

I get it! Equation solved. Many thanks.