Home / 36,778.43-55,175.85-13,404.87

Finding the Fourth Proportional to 36,778.43, 55,175.85 and 13,404.87

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Solution

The fourth proportional to 36,778.43, 55,175.85 and 13,404.87 is: 20,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,778.43 : 55,175.85 = 13,404.87 : x
  2. Step 2: Convert to fraction form
    36,778.43/55,175.85 = 13,404.87/x
  3. Step 3: Cross multiply
    36,778.43x = 55,175.85 × 13,404.87
  4. Step 4: Simplify right side
    36,778.43x = 739,625,096.39
  5. Step 5: Solve for x
    x = 739,625,096.39/36,778.43
  6. Step 6: Final answer
    x = 20,110.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.