Home / 36,086.11-49,799.21-20,171.43

Finding the Fourth Proportional to 36,086.11, 49,799.21 and 20,171.43

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Solution

The fourth proportional to 36,086.11, 49,799.21 and 20,171.43 is: 27,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.11 : 49,799.21 = 20,171.43 : x
  2. Step 2: Convert to fraction form
    36,086.11/49,799.21 = 20,171.43/x
  3. Step 3: Cross multiply
    36,086.11x = 49,799.21 × 20,171.43
  4. Step 4: Simplify right side
    36,086.11x = 1,004,521,177.71
  5. Step 5: Solve for x
    x = 1,004,521,177.71/36,086.11
  6. Step 6: Final answer
    x = 27,836.78

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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.