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Finding the Fourth Proportional to 50,761, 76,176.06 and 30,515.32

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Solution

The fourth proportional to 50,761, 76,176.06 and 30,515.32 is: 45,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,761 : 76,176.06 = 30,515.32 : x
  2. Step 2: Convert to fraction form
    50,761/76,176.06 = 30,515.32/x
  3. Step 3: Cross multiply
    50,761x = 76,176.06 × 30,515.32
  4. Step 4: Simplify right side
    50,761x = 2,324,536,847.24
  5. Step 5: Solve for x
    x = 2,324,536,847.24/50,761
  6. Step 6: Final answer
    x = 45,793.76

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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.