Home / 63,761.90-95,646.27-19,385.28

Finding the Fourth Proportional to 63,761.90, 95,646.27 and 19,385.28

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Solution

The fourth proportional to 63,761.90, 95,646.27 and 19,385.28 is: 29,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,761.90 : 95,646.27 = 19,385.28 : x
  2. Step 2: Convert to fraction form
    63,761.90/95,646.27 = 19,385.28/x
  3. Step 3: Cross multiply
    63,761.90x = 95,646.27 × 19,385.28
  4. Step 4: Simplify right side
    63,761.90x = 1,854,129,797.60
  5. Step 5: Solve for x
    x = 1,854,129,797.60/63,761.90
  6. Step 6: Final answer
    x = 29,078.96

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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.