Home / 49,438.39-68,229.87-28,220.85

Finding the Fourth Proportional to 49,438.39, 68,229.87 and 28,220.85

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Solution

The fourth proportional to 49,438.39, 68,229.87 and 28,220.85 is: 38,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,438.39 : 68,229.87 = 28,220.85 : x
  2. Step 2: Convert to fraction form
    49,438.39/68,229.87 = 28,220.85/x
  3. Step 3: Cross multiply
    49,438.39x = 68,229.87 × 28,220.85
  4. Step 4: Simplify right side
    49,438.39x = 1,925,504,585.64
  5. Step 5: Solve for x
    x = 1,925,504,585.64/49,438.39
  6. Step 6: Final answer
    x = 38,947.56

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1.5x scale

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.