Home / 31,469.76-43,426.66-17,319.88

Finding the Fourth Proportional to 31,469.76, 43,426.66 and 17,319.88

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Solution

The fourth proportional to 31,469.76, 43,426.66 and 17,319.88 is: 23,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.76 : 43,426.66 = 17,319.88 : x
  2. Step 2: Convert to fraction form
    31,469.76/43,426.66 = 17,319.88/x
  3. Step 3: Cross multiply
    31,469.76x = 43,426.66 × 17,319.88
  4. Step 4: Simplify right side
    31,469.76x = 752,144,540.00
  5. Step 5: Solve for x
    x = 752,144,540.00/31,469.76
  6. Step 6: Final answer
    x = 23,900.55

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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.