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Finding the Fourth Proportional to 33,072, 49,608 and 8,448

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Solution

The fourth proportional to 33,072, 49,608 and 8,448 is: 12,672

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072 : 49,608 = 8,448 : x
  2. Step 2: Convert to fraction form
    33,072/49,608 = 8,448/x
  3. Step 3: Cross multiply
    33,072x = 49,608 × 8,448
  4. Step 4: Simplify right side
    33,072x = 419,088,384
  5. Step 5: Solve for x
    x = 419,088,384/33,072
  6. Step 6: Final answer
    x = 12,672

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.