Home / 33,211.31-49,806.11-11,018.72

Finding the Fourth Proportional to 33,211.31, 49,806.11 and 11,018.72

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Solution

The fourth proportional to 33,211.31, 49,806.11 and 11,018.72 is: 16,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.31 : 49,806.11 = 11,018.72 : x
  2. Step 2: Convert to fraction form
    33,211.31/49,806.11 = 11,018.72/x
  3. Step 3: Cross multiply
    33,211.31x = 49,806.11 × 11,018.72
  4. Step 4: Simplify right side
    33,211.31x = 548,799,276.26
  5. Step 5: Solve for x
    x = 548,799,276.26/33,211.31
  6. Step 6: Final answer
    x = 16,524.47

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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.