Home / 36,781.56-55,180.62-13,408.08

Finding the Fourth Proportional to 36,781.56, 55,180.62 and 13,408.08

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Solution

The fourth proportional to 36,781.56, 55,180.62 and 13,408.08 is: 20,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.56 : 55,180.62 = 13,408.08 : x
  2. Step 2: Convert to fraction form
    36,781.56/55,180.62 = 13,408.08/x
  3. Step 3: Cross multiply
    36,781.56x = 55,180.62 × 13,408.08
  4. Step 4: Simplify right side
    36,781.56x = 739,866,167.41
  5. Step 5: Solve for x
    x = 739,866,167.41/36,781.56
  6. Step 6: Final answer
    x = 20,115.14

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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.