Home / 31,731.54-43,789.78-17,584.62

Finding the Fourth Proportional to 31,731.54, 43,789.78 and 17,584.62

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Solution

The fourth proportional to 31,731.54, 43,789.78 and 17,584.62 is: 24,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.54 : 43,789.78 = 17,584.62 : x
  2. Step 2: Convert to fraction form
    31,731.54/43,789.78 = 17,584.62/x
  3. Step 3: Cross multiply
    31,731.54x = 43,789.78 × 17,584.62
  4. Step 4: Simplify right side
    31,731.54x = 770,026,641.18
  5. Step 5: Solve for x
    x = 770,026,641.18/31,731.54
  6. Step 6: Final answer
    x = 24,266.92

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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.