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Finding the Fourth Proportional to 63,481, 95,213.72 and 36,841.48

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Solution

The fourth proportional to 63,481, 95,213.72 and 36,841.48 is: 55,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,481 : 95,213.72 = 36,841.48 : x
  2. Step 2: Convert to fraction form
    63,481/95,213.72 = 36,841.48/x
  3. Step 3: Cross multiply
    63,481x = 95,213.72 × 36,841.48
  4. Step 4: Simplify right side
    63,481x = 3,507,814,361.11
  5. Step 5: Solve for x
    x = 3,507,814,361.11/63,481
  6. Step 6: Final answer
    x = 55,257.70

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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.