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Finding the Fourth Proportional to 50,735.66, 76,104.39 and 15,675

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Solution

The fourth proportional to 50,735.66, 76,104.39 and 15,675 is: 23,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,735.66 : 76,104.39 = 15,675 : x
  2. Step 2: Convert to fraction form
    50,735.66/76,104.39 = 15,675/x
  3. Step 3: Cross multiply
    50,735.66x = 76,104.39 × 15,675
  4. Step 4: Simplify right side
    50,735.66x = 1,192,936,313.25
  5. Step 5: Solve for x
    x = 1,192,936,313.25/50,735.66
  6. Step 6: Final answer
    x = 23,512.78

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1.5x scale

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.