Finding the Fourth Proportional to 71,557.13, 107,335.70 and 22,309.13
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Solution
The fourth proportional to 71,557.13, 107,335.70 and 22,309.13 is: 33,463.69
Step by Step Solution
- Step 1: Write the proportion equation
71,557.13 : 107,335.70 = 22,309.13 : x - Step 2: Convert to fraction form
71,557.13/107,335.70 = 22,309.13/x - Step 3: Cross multiply
71,557.13x = 107,335.70 × 22,309.13 - Step 4: Simplify right side
71,557.13x = 2,394,565,436.72 - Step 5: Solve for x
x = 2,394,565,436.72/71,557.13 - Step 6: Final answer
x = 33,463.69
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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.