Home / 49,744.55-68,673.96-39,947.48

Finding the Fourth Proportional to 49,744.55, 68,673.96 and 39,947.48

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Solution

The fourth proportional to 49,744.55, 68,673.96 and 39,947.48 is: 55,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,744.55 : 68,673.96 = 39,947.48 : x
  2. Step 2: Convert to fraction form
    49,744.55/68,673.96 = 39,947.48/x
  3. Step 3: Cross multiply
    49,744.55x = 68,673.96 × 39,947.48
  4. Step 4: Simplify right side
    49,744.55x = 2,743,351,557.78
  5. Step 5: Solve for x
    x = 2,743,351,557.78/49,744.55
  6. Step 6: Final answer
    x = 55,148.79

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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.