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Finding the Fourth Proportional to 63,447.96, 95,177.81 and 20,753.63

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Solution

The fourth proportional to 63,447.96, 95,177.81 and 20,753.63 is: 31,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,447.96 : 95,177.81 = 20,753.63 : x
  2. Step 2: Convert to fraction form
    63,447.96/95,177.81 = 20,753.63/x
  3. Step 3: Cross multiply
    63,447.96x = 95,177.81 × 20,753.63
  4. Step 4: Simplify right side
    63,447.96x = 1,975,285,052.95
  5. Step 5: Solve for x
    x = 1,975,285,052.95/63,447.96
  6. Step 6: Final answer
    x = 31,132.37

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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.