Home / 33,213.36-49,809.21-11,020.78

Finding the Fourth Proportional to 33,213.36, 49,809.21 and 11,020.78

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Solution

The fourth proportional to 33,213.36, 49,809.21 and 11,020.78 is: 16,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213.36 : 49,809.21 = 11,020.78 : x
  2. Step 2: Convert to fraction form
    33,213.36/49,809.21 = 11,020.78/x
  3. Step 3: Cross multiply
    33,213.36x = 49,809.21 × 11,020.78
  4. Step 4: Simplify right side
    33,213.36x = 548,936,179.53
  5. Step 5: Solve for x
    x = 548,936,179.53/33,213.36
  6. Step 6: Final answer
    x = 16,527.57

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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.