Home / 39,148.92-54,028.20-22,153.14

Finding the Fourth Proportional to 39,148.92, 54,028.20 and 22,153.14

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Solution

The fourth proportional to 39,148.92, 54,028.20 and 22,153.14 is: 30,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.92 : 54,028.20 = 22,153.14 : x
  2. Step 2: Convert to fraction form
    39,148.92/54,028.20 = 22,153.14/x
  3. Step 3: Cross multiply
    39,148.92x = 54,028.20 × 22,153.14
  4. Step 4: Simplify right side
    39,148.92x = 1,196,894,278.55
  5. Step 5: Solve for x
    x = 1,196,894,278.55/39,148.92
  6. Step 6: Final answer
    x = 30,572.86

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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.