Home / 33,272.66-45,905.24-21,947.78

Finding the Fourth Proportional to 33,272.66, 45,905.24 and 21,947.78

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Solution

The fourth proportional to 33,272.66, 45,905.24 and 21,947.78 is: 30,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,272.66 : 45,905.24 = 21,947.78 : x
  2. Step 2: Convert to fraction form
    33,272.66/45,905.24 = 21,947.78/x
  3. Step 3: Cross multiply
    33,272.66x = 45,905.24 × 21,947.78
  4. Step 4: Simplify right side
    33,272.66x = 1,007,517,769.10
  5. Step 5: Solve for x
    x = 1,007,517,769.10/33,272.66
  6. Step 6: Final answer
    x = 30,280.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.