Home / 33,786.46-50,640.78-18,171.28

Finding the Fourth Proportional to 33,786.46, 50,640.78 and 18,171.28

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Solution

The fourth proportional to 33,786.46, 50,640.78 and 18,171.28 is: 27,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,786.46 : 50,640.78 = 18,171.28 : x
  2. Step 2: Convert to fraction form
    33,786.46/50,640.78 = 18,171.28/x
  3. Step 3: Cross multiply
    33,786.46x = 50,640.78 × 18,171.28
  4. Step 4: Simplify right side
    33,786.46x = 920,207,792.80
  5. Step 5: Solve for x
    x = 920,207,792.80/33,786.46
  6. Step 6: Final answer
    x = 27,235.99

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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.