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Finding the Fourth Proportional to 48,751.65, 73,139.79 and 22,474.85

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Solution

The fourth proportional to 48,751.65, 73,139.79 and 22,474.85 is: 33,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,751.65 : 73,139.79 = 22,474.85 : x
  2. Step 2: Convert to fraction form
    48,751.65/73,139.79 = 22,474.85/x
  3. Step 3: Cross multiply
    48,751.65x = 73,139.79 × 22,474.85
  4. Step 4: Simplify right side
    48,751.65x = 1,643,805,443.58
  5. Step 5: Solve for x
    x = 1,643,805,443.58/48,751.65
  6. Step 6: Final answer
    x = 33,717.94

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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.