Home / 49,121.71-67,789.52-27,899.71

Finding the Fourth Proportional to 49,121.71, 67,789.52 and 27,899.71

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Solution

The fourth proportional to 49,121.71, 67,789.52 and 27,899.71 is: 38,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,121.71 : 67,789.52 = 27,899.71 : x
  2. Step 2: Convert to fraction form
    49,121.71/67,789.52 = 27,899.71/x
  3. Step 3: Cross multiply
    49,121.71x = 67,789.52 × 27,899.71
  4. Step 4: Simplify right side
    49,121.71x = 1,891,307,949.04
  5. Step 5: Solve for x
    x = 1,891,307,949.04/49,121.71
  6. Step 6: Final answer
    x = 38,502.49

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.