Home / 39,538.20-54,560.34-22,540.08

Finding the Fourth Proportional to 39,538.20, 54,560.34 and 22,540.08

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Solution

The fourth proportional to 39,538.20, 54,560.34 and 22,540.08 is: 31,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,538.20 : 54,560.34 = 22,540.08 : x
  2. Step 2: Convert to fraction form
    39,538.20/54,560.34 = 22,540.08/x
  3. Step 3: Cross multiply
    39,538.20x = 54,560.34 × 22,540.08
  4. Step 4: Simplify right side
    39,538.20x = 1,229,794,428.43
  5. Step 5: Solve for x
    x = 1,229,794,428.43/39,538.20
  6. Step 6: Final answer
    x = 31,103.96

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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.