Home / 72,439.38-108,648.54-22,517.46

Finding the Fourth Proportional to 72,439.38, 108,648.54 and 22,517.46

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Solution

The fourth proportional to 72,439.38, 108,648.54 and 22,517.46 is: 33,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,439.38 : 108,648.54 = 22,517.46 : x
  2. Step 2: Convert to fraction form
    72,439.38/108,648.54 = 22,517.46/x
  3. Step 3: Cross multiply
    72,439.38x = 108,648.54 × 22,517.46
  4. Step 4: Simplify right side
    72,439.38x = 2,446,489,153.51
  5. Step 5: Solve for x
    x = 2,446,489,153.51/72,439.38
  6. Step 6: Final answer
    x = 33,772.92

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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.