Home / 31,711.93-43,761.98-17,371.64

Finding the Fourth Proportional to 31,711.93, 43,761.98 and 17,371.64

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Solution

The fourth proportional to 31,711.93, 43,761.98 and 17,371.64 is: 23,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.93 : 43,761.98 = 17,371.64 : x
  2. Step 2: Convert to fraction form
    31,711.93/43,761.98 = 17,371.64/x
  3. Step 3: Cross multiply
    31,711.93x = 43,761.98 × 17,371.64
  4. Step 4: Simplify right side
    31,711.93x = 760,217,362.25
  5. Step 5: Solve for x
    x = 760,217,362.25/31,711.93
  6. Step 6: Final answer
    x = 23,972.60

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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.