Home / 82,374.20-123,561.30-20,044.70

Finding the Fourth Proportional to 82,374.20, 123,561.30 and 20,044.70

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Solution

The fourth proportional to 82,374.20, 123,561.30 and 20,044.70 is: 30,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,374.20 : 123,561.30 = 20,044.70 : x
  2. Step 2: Convert to fraction form
    82,374.20/123,561.30 = 20,044.70/x
  3. Step 3: Cross multiply
    82,374.20x = 123,561.30 × 20,044.70
  4. Step 4: Simplify right side
    82,374.20x = 2,476,749,190.11
  5. Step 5: Solve for x
    x = 2,476,749,190.11/82,374.20
  6. Step 6: Final answer
    x = 30,067.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.