Home / 39,652.28-54,720.56-22,658.76

Finding the Fourth Proportional to 39,652.28, 54,720.56 and 22,658.76

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Solution

The fourth proportional to 39,652.28, 54,720.56 and 22,658.76 is: 31,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,652.28 : 54,720.56 = 22,658.76 : x
  2. Step 2: Convert to fraction form
    39,652.28/54,720.56 = 22,658.76/x
  3. Step 3: Cross multiply
    39,652.28x = 54,720.56 × 22,658.76
  4. Step 4: Simplify right side
    39,652.28x = 1,239,900,036.11
  5. Step 5: Solve for x
    x = 1,239,900,036.11/39,652.28
  6. Step 6: Final answer
    x = 31,269.33

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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.