Home / 40,229.60-55,517.45-22,325.76

Finding the Fourth Proportional to 40,229.60, 55,517.45 and 22,325.76

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Solution

The fourth proportional to 40,229.60, 55,517.45 and 22,325.76 is: 30,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,229.60 : 55,517.45 = 22,325.76 : x
  2. Step 2: Convert to fraction form
    40,229.60/55,517.45 = 22,325.76/x
  3. Step 3: Cross multiply
    40,229.60x = 55,517.45 × 22,325.76
  4. Step 4: Simplify right side
    40,229.60x = 1,239,469,152.88
  5. Step 5: Solve for x
    x = 1,239,469,152.88/40,229.60
  6. Step 6: Final answer
    x = 30,809.88

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Double scale
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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.