Finding the Fourth Proportional to 71,728.44, 107,593.20 and 24,981.20
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Solution
The fourth proportional to 71,728.44, 107,593.20 and 24,981.20 is: 37,471.99
Step by Step Solution
- Step 1: Write the proportion equation
71,728.44 : 107,593.20 = 24,981.20 : x - Step 2: Convert to fraction form
71,728.44/107,593.20 = 24,981.20/x - Step 3: Cross multiply
71,728.44x = 107,593.20 × 24,981.20 - Step 4: Simplify right side
71,728.44x = 2,687,807,247.84 - Step 5: Solve for x
x = 2,687,807,247.84/71,728.44 - Step 6: Final answer
x = 37,471.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.