Home / 33,188.76-49,738.68-12,108.96

Finding the Fourth Proportional to 33,188.76, 49,738.68 and 12,108.96

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Solution

The fourth proportional to 33,188.76, 49,738.68 and 12,108.96 is: 18,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,188.76 : 49,738.68 = 12,108.96 : x
  2. Step 2: Convert to fraction form
    33,188.76/49,738.68 = 12,108.96/x
  3. Step 3: Cross multiply
    33,188.76x = 49,738.68 × 12,108.96
  4. Step 4: Simplify right side
    33,188.76x = 602,283,686.57
  5. Step 5: Solve for x
    x = 602,283,686.57/33,188.76
  6. Step 6: Final answer
    x = 18,147.22

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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.