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Finding the Fourth Proportional to 50,936.30, 76,404.97 and 15,397.90

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Solution

The fourth proportional to 50,936.30, 76,404.97 and 15,397.90 is: 23,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,936.30 : 76,404.97 = 15,397.90 : x
  2. Step 2: Convert to fraction form
    50,936.30/76,404.97 = 15,397.90/x
  3. Step 3: Cross multiply
    50,936.30x = 76,404.97 × 15,397.90
  4. Step 4: Simplify right side
    50,936.30x = 1,176,476,087.56
  5. Step 5: Solve for x
    x = 1,176,476,087.56/50,936.30
  6. Step 6: Final answer
    x = 23,097.01

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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.