Home / 31,891.38-47,822.49-11,110.02

Finding the Fourth Proportional to 31,891.38, 47,822.49 and 11,110.02

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Solution

The fourth proportional to 31,891.38, 47,822.49 and 11,110.02 is: 16,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,891.38 : 47,822.49 = 11,110.02 : x
  2. Step 2: Convert to fraction form
    31,891.38/47,822.49 = 11,110.02/x
  3. Step 3: Cross multiply
    31,891.38x = 47,822.49 × 11,110.02
  4. Step 4: Simplify right side
    31,891.38x = 531,308,820.35
  5. Step 5: Solve for x
    x = 531,308,820.35/31,891.38
  6. Step 6: Final answer
    x = 16,659.95

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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.