Home / 43,761.92-65,642.40-29,687.09

Finding the Fourth Proportional to 43,761.92, 65,642.40 and 29,687.09

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Solution

The fourth proportional to 43,761.92, 65,642.40 and 29,687.09 is: 44,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,761.92 : 65,642.40 = 29,687.09 : x
  2. Step 2: Convert to fraction form
    43,761.92/65,642.40 = 29,687.09/x
  3. Step 3: Cross multiply
    43,761.92x = 65,642.40 × 29,687.09
  4. Step 4: Simplify right side
    43,761.92x = 1,948,731,508.40
  5. Step 5: Solve for x
    x = 1,948,731,508.40/43,761.92
  6. Step 6: Final answer
    x = 44,530.31

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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.