Home / 33,691.88-50,540.24-12,915.38

Finding the Fourth Proportional to 33,691.88, 50,540.24 and 12,915.38

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Solution

The fourth proportional to 33,691.88, 50,540.24 and 12,915.38 is: 19,373.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,691.88 : 50,540.24 = 12,915.38 : x
  2. Step 2: Convert to fraction form
    33,691.88/50,540.24 = 12,915.38/x
  3. Step 3: Cross multiply
    33,691.88x = 50,540.24 × 12,915.38
  4. Step 4: Simplify right side
    33,691.88x = 652,746,184.48
  5. Step 5: Solve for x
    x = 652,746,184.48/33,691.88
  6. Step 6: Final answer
    x = 19,373.99

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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.