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Finding the Fourth Proportional to 40,998, 61,497 and 13,296

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Solution

The fourth proportional to 40,998, 61,497 and 13,296 is: 19,944

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,998 : 61,497 = 13,296 : x
  2. Step 2: Convert to fraction form
    40,998/61,497 = 13,296/x
  3. Step 3: Cross multiply
    40,998x = 61,497 × 13,296
  4. Step 4: Simplify right side
    40,998x = 817,664,112
  5. Step 5: Solve for x
    x = 817,664,112/40,998
  6. Step 6: Final answer
    x = 19,944

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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.