Home / 31,231.54-43,098.87-17,083.90

Finding the Fourth Proportional to 31,231.54, 43,098.87 and 17,083.90

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Solution

The fourth proportional to 31,231.54, 43,098.87 and 17,083.90 is: 23,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.54 : 43,098.87 = 17,083.90 : x
  2. Step 2: Convert to fraction form
    31,231.54/43,098.87 = 17,083.90/x
  3. Step 3: Cross multiply
    31,231.54x = 43,098.87 × 17,083.90
  4. Step 4: Simplify right side
    31,231.54x = 736,296,785.19
  5. Step 5: Solve for x
    x = 736,296,785.19/31,231.54
  6. Step 6: Final answer
    x = 23,575.42

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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.