Finding the Fourth Proportional to 39,061.66, 53,905.10 and 22,065.94
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Solution
The fourth proportional to 39,061.66, 53,905.10 and 22,065.94 is: 30,450.99
Step by Step Solution
- Step 1: Write the proportion equation
39,061.66 : 53,905.10 = 22,065.94 : x - Step 2: Convert to fraction form
39,061.66/53,905.10 = 22,065.94/x - Step 3: Cross multiply
39,061.66x = 53,905.10 × 22,065.94 - Step 4: Simplify right side
39,061.66x = 1,189,466,356.13 - Step 5: Solve for x
x = 1,189,466,356.13/39,061.66 - Step 6: Final answer
x = 30,450.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.