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Finding the Fourth Proportional to 63,841.87, 95,775.11 and 21,720.25

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Solution

The fourth proportional to 63,841.87, 95,775.11 and 21,720.25 is: 32,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,841.87 : 95,775.11 = 21,720.25 : x
  2. Step 2: Convert to fraction form
    63,841.87/95,775.11 = 21,720.25/x
  3. Step 3: Cross multiply
    63,841.87x = 95,775.11 × 21,720.25
  4. Step 4: Simplify right side
    63,841.87x = 2,080,259,425.55
  5. Step 5: Solve for x
    x = 2,080,259,425.55/63,841.87
  6. Step 6: Final answer
    x = 32,584.56

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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.