Home / 36,115.54-49,839.57-20,198.97

Finding the Fourth Proportional to 36,115.54, 49,839.57 and 20,198.97

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Solution

The fourth proportional to 36,115.54, 49,839.57 and 20,198.97 is: 27,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,115.54 : 49,839.57 = 20,198.97 : x
  2. Step 2: Convert to fraction form
    36,115.54/49,839.57 = 20,198.97/x
  3. Step 3: Cross multiply
    36,115.54x = 49,839.57 × 20,198.97
  4. Step 4: Simplify right side
    36,115.54x = 1,006,707,979.24
  5. Step 5: Solve for x
    x = 1,006,707,979.24/36,115.54
  6. Step 6: Final answer
    x = 27,874.65

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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.