Home / 40,320.18-55,639.25-22,414.73

Finding the Fourth Proportional to 40,320.18, 55,639.25 and 22,414.73

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Solution

The fourth proportional to 40,320.18, 55,639.25 and 22,414.73 is: 30,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.18 : 55,639.25 = 22,414.73 : x
  2. Step 2: Convert to fraction form
    40,320.18/55,639.25 = 22,414.73/x
  3. Step 3: Cross multiply
    40,320.18x = 55,639.25 × 22,414.73
  4. Step 4: Simplify right side
    40,320.18x = 1,247,138,586.02
  5. Step 5: Solve for x
    x = 1,247,138,586.02/40,320.18
  6. Step 6: Final answer
    x = 30,930.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.