Finding the Fourth Proportional to 71,548.56, 107,324.87 and 18,958.05
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Solution
The fourth proportional to 71,548.56, 107,324.87 and 18,958.05 is: 28,437.61
Step by Step Solution
- Step 1: Write the proportion equation
71,548.56 : 107,324.87 = 18,958.05 : x - Step 2: Convert to fraction form
71,548.56/107,324.87 = 18,958.05/x - Step 3: Cross multiply
71,548.56x = 107,324.87 × 18,958.05 - Step 4: Simplify right side
71,548.56x = 2,034,670,156.91 - Step 5: Solve for x
x = 2,034,670,156.91/71,548.56 - Step 6: Final answer
x = 28,437.61
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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.