Home / 36,747.15-55,121.03-11,787.25

Finding the Fourth Proportional to 36,747.15, 55,121.03 and 11,787.25

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Solution

The fourth proportional to 36,747.15, 55,121.03 and 11,787.25 is: 17,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,747.15 : 55,121.03 = 11,787.25 : x
  2. Step 2: Convert to fraction form
    36,747.15/55,121.03 = 11,787.25/x
  3. Step 3: Cross multiply
    36,747.15x = 55,121.03 × 11,787.25
  4. Step 4: Simplify right side
    36,747.15x = 649,725,360.87
  5. Step 5: Solve for x
    x = 649,725,360.87/36,747.15
  6. Step 6: Final answer
    x = 17,680.97

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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.