Home / 33,480.08-50,155.20-18,644

Finding the Fourth Proportional to 33,480.08, 50,155.20 and 18,644

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Solution

The fourth proportional to 33,480.08, 50,155.20 and 18,644 is: 27,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,480.08 : 50,155.20 = 18,644 : x
  2. Step 2: Convert to fraction form
    33,480.08/50,155.20 = 18,644/x
  3. Step 3: Cross multiply
    33,480.08x = 50,155.20 × 18,644
  4. Step 4: Simplify right side
    33,480.08x = 935,093,548.80
  5. Step 5: Solve for x
    x = 935,093,548.80/33,480.08
  6. Step 6: Final answer
    x = 27,929.85

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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.