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Finding the Fourth Proportional to 63,495.56, 95,231.14 and 31,897.16

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Solution

The fourth proportional to 63,495.56, 95,231.14 and 31,897.16 is: 47,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,495.56 : 95,231.14 = 31,897.16 : x
  2. Step 2: Convert to fraction form
    63,495.56/95,231.14 = 31,897.16/x
  3. Step 3: Cross multiply
    63,495.56x = 95,231.14 × 31,897.16
  4. Step 4: Simplify right side
    63,495.56x = 3,037,602,890.20
  5. Step 5: Solve for x
    x = 3,037,602,890.20/63,495.56
  6. Step 6: Final answer
    x = 47,839.61

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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.