Home / 36,073.98-49,781.13-20,158.56

Finding the Fourth Proportional to 36,073.98, 49,781.13 and 20,158.56

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Solution

The fourth proportional to 36,073.98, 49,781.13 and 20,158.56 is: 27,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,073.98 : 49,781.13 = 20,158.56 : x
  2. Step 2: Convert to fraction form
    36,073.98/49,781.13 = 20,158.56/x
  3. Step 3: Cross multiply
    36,073.98x = 49,781.13 × 20,158.56
  4. Step 4: Simplify right side
    36,073.98x = 1,003,515,895.97
  5. Step 5: Solve for x
    x = 1,003,515,895.97/36,073.98
  6. Step 6: Final answer
    x = 27,818.27

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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.