Home / 31,188.29-43,040.90-17,042.04

Finding the Fourth Proportional to 31,188.29, 43,040.90 and 17,042.04

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Solution

The fourth proportional to 31,188.29, 43,040.90 and 17,042.04 is: 23,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.29 : 43,040.90 = 17,042.04 : x
  2. Step 2: Convert to fraction form
    31,188.29/43,040.90 = 17,042.04/x
  3. Step 3: Cross multiply
    31,188.29x = 43,040.90 × 17,042.04
  4. Step 4: Simplify right side
    31,188.29x = 733,504,654.23
  5. Step 5: Solve for x
    x = 733,504,654.23/31,188.29
  6. Step 6: Final answer
    x = 23,518.60

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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.