Home / 38,761.20-58,098.60-22,129.20

Finding the Fourth Proportional to 38,761.20, 58,098.60 and 22,129.20

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Solution

The fourth proportional to 38,761.20, 58,098.60 and 22,129.20 is: 33,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761.20 : 58,098.60 = 22,129.20 : x
  2. Step 2: Convert to fraction form
    38,761.20/58,098.60 = 22,129.20/x
  3. Step 3: Cross multiply
    38,761.20x = 58,098.60 × 22,129.20
  4. Step 4: Simplify right side
    38,761.20x = 1,285,675,539.12
  5. Step 5: Solve for x
    x = 1,285,675,539.12/38,761.20
  6. Step 6: Final answer
    x = 33,169.14

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1.5x scale

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.