Home / 49,108.59-67,769.87-27,891.09

Finding the Fourth Proportional to 49,108.59, 67,769.87 and 27,891.09

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Solution

The fourth proportional to 49,108.59, 67,769.87 and 27,891.09 is: 38,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,108.59 : 67,769.87 = 27,891.09 : x
  2. Step 2: Convert to fraction form
    49,108.59/67,769.87 = 27,891.09/x
  3. Step 3: Cross multiply
    49,108.59x = 67,769.87 × 27,891.09
  4. Step 4: Simplify right side
    49,108.59x = 1,890,175,404.00
  5. Step 5: Solve for x
    x = 1,890,175,404.00/49,108.59
  6. Step 6: Final answer
    x = 38,489.71

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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.