Home / 39,286.38-54,220.92-22,060.68

Finding the Fourth Proportional to 39,286.38, 54,220.92 and 22,060.68

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Solution

The fourth proportional to 39,286.38, 54,220.92 and 22,060.68 is: 30,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,286.38 : 54,220.92 = 22,060.68 : x
  2. Step 2: Convert to fraction form
    39,286.38/54,220.92 = 22,060.68/x
  3. Step 3: Cross multiply
    39,286.38x = 54,220.92 × 22,060.68
  4. Step 4: Simplify right side
    39,286.38x = 1,196,149,984.02
  5. Step 5: Solve for x
    x = 1,196,149,984.02/39,286.38
  6. Step 6: Final answer
    x = 30,446.94

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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.