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Finding the Fourth Proportional to 49,351.68, 74,035.20 and 16,512

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Solution

The fourth proportional to 49,351.68, 74,035.20 and 16,512 is: 24,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,351.68 : 74,035.20 = 16,512 : x
  2. Step 2: Convert to fraction form
    49,351.68/74,035.20 = 16,512/x
  3. Step 3: Cross multiply
    49,351.68x = 74,035.20 × 16,512
  4. Step 4: Simplify right side
    49,351.68x = 1,222,469,222.40
  5. Step 5: Solve for x
    x = 1,222,469,222.40/49,351.68
  6. Step 6: Final answer
    x = 24,770.57

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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.