Home / 36,073.97-49,781.15-20,158.55

Finding the Fourth Proportional to 36,073.97, 49,781.15 and 20,158.55

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Solution

The fourth proportional to 36,073.97, 49,781.15 and 20,158.55 is: 27,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,073.97 : 49,781.15 = 20,158.55 : x
  2. Step 2: Convert to fraction form
    36,073.97/49,781.15 = 20,158.55/x
  3. Step 3: Cross multiply
    36,073.97x = 49,781.15 × 20,158.55
  4. Step 4: Simplify right side
    36,073.97x = 1,003,515,713.91
  5. Step 5: Solve for x
    x = 1,003,515,713.91/36,073.97
  6. Step 6: Final answer
    x = 27,818.28

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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.