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Finding the Fourth Proportional to 33,745, 50,620.02 and 12,968.68

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Solution

The fourth proportional to 33,745, 50,620.02 and 12,968.68 is: 19,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,745 : 50,620.02 = 12,968.68 : x
  2. Step 2: Convert to fraction form
    33,745/50,620.02 = 12,968.68/x
  3. Step 3: Cross multiply
    33,745x = 50,620.02 × 12,968.68
  4. Step 4: Simplify right side
    33,745x = 656,474,840.97
  5. Step 5: Solve for x
    x = 656,474,840.97/33,745
  6. Step 6: Final answer
    x = 19,453.99

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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.