Home / 40,847.14-61,224.78-20,800.38

Finding the Fourth Proportional to 40,847.14, 61,224.78 and 20,800.38

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Solution

The fourth proportional to 40,847.14, 61,224.78 and 20,800.38 is: 31,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,847.14 : 61,224.78 = 20,800.38 : x
  2. Step 2: Convert to fraction form
    40,847.14/61,224.78 = 20,800.38/x
  3. Step 3: Cross multiply
    40,847.14x = 61,224.78 × 20,800.38
  4. Step 4: Simplify right side
    40,847.14x = 1,273,498,689.42
  5. Step 5: Solve for x
    x = 1,273,498,689.42/40,847.14
  6. Step 6: Final answer
    x = 31,177.18

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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.