Home / 31,778.68-43,854.04-17,631.24

Finding the Fourth Proportional to 31,778.68, 43,854.04 and 17,631.24

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Solution

The fourth proportional to 31,778.68, 43,854.04 and 17,631.24 is: 24,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778.68 : 43,854.04 = 17,631.24 : x
  2. Step 2: Convert to fraction form
    31,778.68/43,854.04 = 17,631.24/x
  3. Step 3: Cross multiply
    31,778.68x = 43,854.04 × 17,631.24
  4. Step 4: Simplify right side
    31,778.68x = 773,201,104.21
  5. Step 5: Solve for x
    x = 773,201,104.21/31,778.68
  6. Step 6: Final answer
    x = 24,330.81

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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.