Home / 36,787.92-55,190.11-13,414.36

Finding the Fourth Proportional to 36,787.92, 55,190.11 and 13,414.36

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Solution

The fourth proportional to 36,787.92, 55,190.11 and 13,414.36 is: 20,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,787.92 : 55,190.11 = 13,414.36 : x
  2. Step 2: Convert to fraction form
    36,787.92/55,190.11 = 13,414.36/x
  3. Step 3: Cross multiply
    36,787.92x = 55,190.11 × 13,414.36
  4. Step 4: Simplify right side
    36,787.92x = 740,339,961.10
  5. Step 5: Solve for x
    x = 740,339,961.10/36,787.92
  6. Step 6: Final answer
    x = 20,124.54

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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.