Home / 41,387.68-62,029.68-20,617.12

Finding the Fourth Proportional to 41,387.68, 62,029.68 and 20,617.12

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Solution

The fourth proportional to 41,387.68, 62,029.68 and 20,617.12 is: 30,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,387.68 : 62,029.68 = 20,617.12 : x
  2. Step 2: Convert to fraction form
    41,387.68/62,029.68 = 20,617.12/x
  3. Step 3: Cross multiply
    41,387.68x = 62,029.68 × 20,617.12
  4. Step 4: Simplify right side
    41,387.68x = 1,278,873,356.12
  5. Step 5: Solve for x
    x = 1,278,873,356.12/41,387.68
  6. Step 6: Final answer
    x = 30,899.86

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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.