Home / 39,226.38-54,130.66-22,229.63

Finding the Fourth Proportional to 39,226.38, 54,130.66 and 22,229.63

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Solution

The fourth proportional to 39,226.38, 54,130.66 and 22,229.63 is: 30,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,226.38 : 54,130.66 = 22,229.63 : x
  2. Step 2: Convert to fraction form
    39,226.38/54,130.66 = 22,229.63/x
  3. Step 3: Cross multiply
    39,226.38x = 54,130.66 × 22,229.63
  4. Step 4: Simplify right side
    39,226.38x = 1,203,304,543.46
  5. Step 5: Solve for x
    x = 1,203,304,543.46/39,226.38
  6. Step 6: Final answer
    x = 30,675.90

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Half scale
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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.