Home / 31,856.65-43,963.30-17,517.57

Finding the Fourth Proportional to 31,856.65, 43,963.30 and 17,517.57

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Solution

The fourth proportional to 31,856.65, 43,963.30 and 17,517.57 is: 24,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,856.65 : 43,963.30 = 17,517.57 : x
  2. Step 2: Convert to fraction form
    31,856.65/43,963.30 = 17,517.57/x
  3. Step 3: Cross multiply
    31,856.65x = 43,963.30 × 17,517.57
  4. Step 4: Simplify right side
    31,856.65x = 770,129,965.36
  5. Step 5: Solve for x
    x = 770,129,965.36/31,856.65
  6. Step 6: Final answer
    x = 24,174.86

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1.5x scale

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.