Home / 33,142.57-49,684.39-12,078.66

Finding the Fourth Proportional to 33,142.57, 49,684.39 and 12,078.66

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Solution

The fourth proportional to 33,142.57, 49,684.39 and 12,078.66 is: 18,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,142.57 : 49,684.39 = 12,078.66 : x
  2. Step 2: Convert to fraction form
    33,142.57/49,684.39 = 12,078.66/x
  3. Step 3: Cross multiply
    33,142.57x = 49,684.39 × 12,078.66
  4. Step 4: Simplify right side
    33,142.57x = 600,120,545.30
  5. Step 5: Solve for x
    x = 600,120,545.30/33,142.57
  6. Step 6: Final answer
    x = 18,107.24

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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.