Home / 33,115.83-49,672.49-10,928.55

Finding the Fourth Proportional to 33,115.83, 49,672.49 and 10,928.55

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Solution

The fourth proportional to 33,115.83, 49,672.49 and 10,928.55 is: 16,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.83 : 49,672.49 = 10,928.55 : x
  2. Step 2: Convert to fraction form
    33,115.83/49,672.49 = 10,928.55/x
  3. Step 3: Cross multiply
    33,115.83x = 49,672.49 × 10,928.55
  4. Step 4: Simplify right side
    33,115.83x = 542,848,235.95
  5. Step 5: Solve for x
    x = 542,848,235.95/33,115.83
  6. Step 6: Final answer
    x = 16,392.41

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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.