Home / 48,584.88-72,863.22-20,511.18

Finding the Fourth Proportional to 48,584.88, 72,863.22 and 20,511.18

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Solution

The fourth proportional to 48,584.88, 72,863.22 and 20,511.18 is: 30,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,584.88 : 72,863.22 = 20,511.18 : x
  2. Step 2: Convert to fraction form
    48,584.88/72,863.22 = 20,511.18/x
  3. Step 3: Cross multiply
    48,584.88x = 72,863.22 × 20,511.18
  4. Step 4: Simplify right side
    48,584.88x = 1,494,510,620.80
  5. Step 5: Solve for x
    x = 1,494,510,620.80/48,584.88
  6. Step 6: Final answer
    x = 30,760.82

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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.