Home / 36,115.26-49,841.50-20,201.20

Finding the Fourth Proportional to 36,115.26, 49,841.50 and 20,201.20

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Solution

The fourth proportional to 36,115.26, 49,841.50 and 20,201.20 is: 27,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,115.26 : 49,841.50 = 20,201.20 : x
  2. Step 2: Convert to fraction form
    36,115.26/49,841.50 = 20,201.20/x
  3. Step 3: Cross multiply
    36,115.26x = 49,841.50 × 20,201.20
  4. Step 4: Simplify right side
    36,115.26x = 1,006,858,109.80
  5. Step 5: Solve for x
    x = 1,006,858,109.80/36,115.26
  6. Step 6: Final answer
    x = 27,879.02

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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.