Home / 31,231.20-43,098.71-17,083.88

Finding the Fourth Proportional to 31,231.20, 43,098.71 and 17,083.88

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Solution

The fourth proportional to 31,231.20, 43,098.71 and 17,083.88 is: 23,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.20 : 43,098.71 = 17,083.88 : x
  2. Step 2: Convert to fraction form
    31,231.20/43,098.71 = 17,083.88/x
  3. Step 3: Cross multiply
    31,231.20x = 43,098.71 × 17,083.88
  4. Step 4: Simplify right side
    31,231.20x = 736,292,888.88
  5. Step 5: Solve for x
    x = 736,292,888.88/31,231.20
  6. Step 6: Final answer
    x = 23,575.56

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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.