Home / 36,115.20-49,841.52-20,201.12

Finding the Fourth Proportional to 36,115.20, 49,841.52 and 20,201.12

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Solution

The fourth proportional to 36,115.20, 49,841.52 and 20,201.12 is: 27,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,115.20 : 49,841.52 = 20,201.12 : x
  2. Step 2: Convert to fraction form
    36,115.20/49,841.52 = 20,201.12/x
  3. Step 3: Cross multiply
    36,115.20x = 49,841.52 × 20,201.12
  4. Step 4: Simplify right side
    36,115.20x = 1,006,854,526.50
  5. Step 5: Solve for x
    x = 1,006,854,526.50/36,115.20
  6. Step 6: Final answer
    x = 27,878.97

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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.