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Finding the Fourth Proportional to 59,687.96, 82,296.42 and 39,539.48

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Solution

The fourth proportional to 59,687.96, 82,296.42 and 39,539.48 is: 54,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,687.96 : 82,296.42 = 39,539.48 : x
  2. Step 2: Convert to fraction form
    59,687.96/82,296.42 = 39,539.48/x
  3. Step 3: Cross multiply
    59,687.96x = 82,296.42 × 39,539.48
  4. Step 4: Simplify right side
    59,687.96x = 3,253,957,652.66
  5. Step 5: Solve for x
    x = 3,253,957,652.66/59,687.96
  6. Step 6: Final answer
    x = 54,516.15

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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.