Home / 49,661.80-68,517.78-28,437.16

Finding the Fourth Proportional to 49,661.80, 68,517.78 and 28,437.16

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Solution

The fourth proportional to 49,661.80, 68,517.78 and 28,437.16 is: 39,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,661.80 : 68,517.78 = 28,437.16 : x
  2. Step 2: Convert to fraction form
    49,661.80/68,517.78 = 28,437.16/x
  3. Step 3: Cross multiply
    49,661.80x = 68,517.78 × 28,437.16
  4. Step 4: Simplify right side
    49,661.80x = 1,948,451,072.70
  5. Step 5: Solve for x
    x = 1,948,451,072.70/49,661.80
  6. Step 6: Final answer
    x = 39,234.40

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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.