Home / 49,418.75-68,180.15-28,185.73

Finding the Fourth Proportional to 49,418.75, 68,180.15 and 28,185.73

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Solution

The fourth proportional to 49,418.75, 68,180.15 and 28,185.73 is: 38,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,418.75 : 68,180.15 = 28,185.73 : x
  2. Step 2: Convert to fraction form
    49,418.75/68,180.15 = 28,185.73/x
  3. Step 3: Cross multiply
    49,418.75x = 68,180.15 × 28,185.73
  4. Step 4: Simplify right side
    49,418.75x = 1,921,707,199.27
  5. Step 5: Solve for x
    x = 1,921,707,199.27/49,418.75
  6. Step 6: Final answer
    x = 38,886.19

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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.