Home / 49,103.43-67,769.06-29,979.20

Finding the Fourth Proportional to 49,103.43, 67,769.06 and 29,979.20

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Solution

The fourth proportional to 49,103.43, 67,769.06 and 29,979.20 is: 41,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,103.43 : 67,769.06 = 29,979.20 : x
  2. Step 2: Convert to fraction form
    49,103.43/67,769.06 = 29,979.20/x
  3. Step 3: Cross multiply
    49,103.43x = 67,769.06 × 29,979.20
  4. Step 4: Simplify right side
    49,103.43x = 2,031,661,714.81
  5. Step 5: Solve for x
    x = 2,031,661,714.81/49,103.43
  6. Step 6: Final answer
    x = 41,375.15

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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.