Home / 36,073.62-49,780.64-20,158.20

Finding the Fourth Proportional to 36,073.62, 49,780.64 and 20,158.20

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Solution

The fourth proportional to 36,073.62, 49,780.64 and 20,158.20 is: 27,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,073.62 : 49,780.64 = 20,158.20 : x
  2. Step 2: Convert to fraction form
    36,073.62/49,780.64 = 20,158.20/x
  3. Step 3: Cross multiply
    36,073.62x = 49,780.64 × 20,158.20
  4. Step 4: Simplify right side
    36,073.62x = 1,003,488,097.25
  5. Step 5: Solve for x
    x = 1,003,488,097.25/36,073.62
  6. Step 6: Final answer
    x = 27,817.78

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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.