Home / 49,778.28-68,694.30-29,631.12

Finding the Fourth Proportional to 49,778.28, 68,694.30 and 29,631.12

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Solution

The fourth proportional to 49,778.28, 68,694.30 and 29,631.12 is: 40,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,778.28 : 68,694.30 = 29,631.12 : x
  2. Step 2: Convert to fraction form
    49,778.28/68,694.30 = 29,631.12/x
  3. Step 3: Cross multiply
    49,778.28x = 68,694.30 × 29,631.12
  4. Step 4: Simplify right side
    49,778.28x = 2,035,489,046.62
  5. Step 5: Solve for x
    x = 2,035,489,046.62/49,778.28
  6. Step 6: Final answer
    x = 40,891.11

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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.