Finding the Fourth Proportional to 71,371.24, 107,062.17 and 21,447.34
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Solution
The fourth proportional to 71,371.24, 107,062.17 and 21,447.34 is: 32,172.61
Step by Step Solution
- Step 1: Write the proportion equation
71,371.24 : 107,062.17 = 21,447.34 : x - Step 2: Convert to fraction form
71,371.24/107,062.17 = 21,447.34/x - Step 3: Cross multiply
71,371.24x = 107,062.17 × 21,447.34 - Step 4: Simplify right side
71,371.24x = 2,296,198,761.13 - Step 5: Solve for x
x = 2,296,198,761.13/71,371.24 - Step 6: Final answer
x = 32,172.61
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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.