Home / 42,141.48-58,154.13-23,278.20

Finding the Fourth Proportional to 42,141.48, 58,154.13 and 23,278.20

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Solution

The fourth proportional to 42,141.48, 58,154.13 and 23,278.20 is: 32,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,141.48 : 58,154.13 = 23,278.20 : x
  2. Step 2: Convert to fraction form
    42,141.48/58,154.13 = 23,278.20/x
  3. Step 3: Cross multiply
    42,141.48x = 58,154.13 × 23,278.20
  4. Step 4: Simplify right side
    42,141.48x = 1,353,723,468.97
  5. Step 5: Solve for x
    x = 1,353,723,468.97/42,141.48
  6. Step 6: Final answer
    x = 32,123.30

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Double scale
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Similar ratio
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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.