Home / 39,161.92-54,046.11-22,166.17

Finding the Fourth Proportional to 39,161.92, 54,046.11 and 22,166.17

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Solution

The fourth proportional to 39,161.92, 54,046.11 and 22,166.17 is: 30,590.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.92 : 54,046.11 = 22,166.17 : x
  2. Step 2: Convert to fraction form
    39,161.92/54,046.11 = 22,166.17/x
  3. Step 3: Cross multiply
    39,161.92x = 54,046.11 × 22,166.17
  4. Step 4: Simplify right side
    39,161.92x = 1,197,995,262.10
  5. Step 5: Solve for x
    x = 1,197,995,262.10/39,161.92
  6. Step 6: Final answer
    x = 30,590.82

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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.