Home / 31,718.88-43,772.28-17,571.96

Finding the Fourth Proportional to 31,718.88, 43,772.28 and 17,571.96

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Solution

The fourth proportional to 31,718.88, 43,772.28 and 17,571.96 is: 24,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.88 : 43,772.28 = 17,571.96 : x
  2. Step 2: Convert to fraction form
    31,718.88/43,772.28 = 17,571.96/x
  3. Step 3: Cross multiply
    31,718.88x = 43,772.28 × 17,571.96
  4. Step 4: Simplify right side
    31,718.88x = 769,164,753.27
  5. Step 5: Solve for x
    x = 769,164,753.27/31,718.88
  6. Step 6: Final answer
    x = 24,249.43

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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.