Home / 33,702.97-50,555.66-12,640.87

Finding the Fourth Proportional to 33,702.97, 50,555.66 and 12,640.87

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Solution

The fourth proportional to 33,702.97, 50,555.66 and 12,640.87 is: 18,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,702.97 : 50,555.66 = 12,640.87 : x
  2. Step 2: Convert to fraction form
    33,702.97/50,555.66 = 12,640.87/x
  3. Step 3: Cross multiply
    33,702.97x = 50,555.66 × 12,640.87
  4. Step 4: Simplify right side
    33,702.97x = 639,067,209.84
  5. Step 5: Solve for x
    x = 639,067,209.84/33,702.97
  6. Step 6: Final answer
    x = 18,961.75

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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.