Home / 20,550.92-30,823.95-5,761.02

Finding the Fourth Proportional to 20,550.92, 30,823.95 and 5,761.02

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Solution

The fourth proportional to 20,550.92, 30,823.95 and 5,761.02 is: 8,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.92 : 30,823.95 = 5,761.02 : x
  2. Step 2: Convert to fraction form
    20,550.92/30,823.95 = 5,761.02/x
  3. Step 3: Cross multiply
    20,550.92x = 30,823.95 × 5,761.02
  4. Step 4: Simplify right side
    20,550.92x = 177,577,392.43
  5. Step 5: Solve for x
    x = 177,577,392.43/20,550.92
  6. Step 6: Final answer
    x = 8,640.85

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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.