Home / 31,718.16-43,772.40-17,571

Finding the Fourth Proportional to 31,718.16, 43,772.40 and 17,571

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Solution

The fourth proportional to 31,718.16, 43,772.40 and 17,571 is: 24,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.16 : 43,772.40 = 17,571 : x
  2. Step 2: Convert to fraction form
    31,718.16/43,772.40 = 17,571/x
  3. Step 3: Cross multiply
    31,718.16x = 43,772.40 × 17,571
  4. Step 4: Simplify right side
    31,718.16x = 769,124,840.40
  5. Step 5: Solve for x
    x = 769,124,840.40/31,718.16
  6. Step 6: Final answer
    x = 24,248.72

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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.