Home / 36,078.52-49,785.96-20,159.88

Finding the Fourth Proportional to 36,078.52, 49,785.96 and 20,159.88

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Solution

The fourth proportional to 36,078.52, 49,785.96 and 20,159.88 is: 27,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.52 : 49,785.96 = 20,159.88 : x
  2. Step 2: Convert to fraction form
    36,078.52/49,785.96 = 20,159.88/x
  3. Step 3: Cross multiply
    36,078.52x = 49,785.96 × 20,159.88
  4. Step 4: Simplify right side
    36,078.52x = 1,003,678,979.28
  5. Step 5: Solve for x
    x = 1,003,678,979.28/36,078.52
  6. Step 6: Final answer
    x = 27,819.29

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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.