Home / 39,149.19-54,049.28-25,742.88

Finding the Fourth Proportional to 39,149.19, 54,049.28 and 25,742.88

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Solution

The fourth proportional to 39,149.19, 54,049.28 and 25,742.88 is: 35,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.19 : 54,049.28 = 25,742.88 : x
  2. Step 2: Convert to fraction form
    39,149.19/54,049.28 = 25,742.88/x
  3. Step 3: Cross multiply
    39,149.19x = 54,049.28 × 25,742.88
  4. Step 4: Simplify right side
    39,149.19x = 1,391,384,000.41
  5. Step 5: Solve for x
    x = 1,391,384,000.41/39,149.19
  6. Step 6: Final answer
    x = 35,540.56

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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.