Home / 33,436.80-50,155.92-12,377.88

Finding the Fourth Proportional to 33,436.80, 50,155.92 and 12,377.88

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Solution

The fourth proportional to 33,436.80, 50,155.92 and 12,377.88 is: 18,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,436.80 : 50,155.92 = 12,377.88 : x
  2. Step 2: Convert to fraction form
    33,436.80/50,155.92 = 12,377.88/x
  3. Step 3: Cross multiply
    33,436.80x = 50,155.92 × 12,377.88
  4. Step 4: Simplify right side
    33,436.80x = 620,823,959.05
  5. Step 5: Solve for x
    x = 620,823,959.05/33,436.80
  6. Step 6: Final answer
    x = 18,567.09

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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.