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Finding the Fourth Proportional to 33,304.66, 49,917.78 and 12,237.70

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Solution

The fourth proportional to 33,304.66, 49,917.78 and 12,237.70 is: 18,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,304.66 : 49,917.78 = 12,237.70 : x
  2. Step 2: Convert to fraction form
    33,304.66/49,917.78 = 12,237.70/x
  3. Step 3: Cross multiply
    33,304.66x = 49,917.78 × 12,237.70
  4. Step 4: Simplify right side
    33,304.66x = 610,878,816.31
  5. Step 5: Solve for x
    x = 610,878,816.31/33,304.66
  6. Step 6: Final answer
    x = 18,342.14

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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.