Home / 31,922.29-47,862.88-15,281.92

Finding the Fourth Proportional to 31,922.29, 47,862.88 and 15,281.92

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Solution

The fourth proportional to 31,922.29, 47,862.88 and 15,281.92 is: 22,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.29 : 47,862.88 = 15,281.92 : x
  2. Step 2: Convert to fraction form
    31,922.29/47,862.88 = 15,281.92/x
  3. Step 3: Cross multiply
    31,922.29x = 47,862.88 × 15,281.92
  4. Step 4: Simplify right side
    31,922.29x = 731,436,703.13
  5. Step 5: Solve for x
    x = 731,436,703.13/31,922.29
  6. Step 6: Final answer
    x = 22,913.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.