Home / 49,016.16-67,638.60-27,791.76

Finding the Fourth Proportional to 49,016.16, 67,638.60 and 27,791.76

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Solution

The fourth proportional to 49,016.16, 67,638.60 and 27,791.76 is: 38,350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,016.16 : 67,638.60 = 27,791.76 : x
  2. Step 2: Convert to fraction form
    49,016.16/67,638.60 = 27,791.76/x
  3. Step 3: Cross multiply
    49,016.16x = 67,638.60 × 27,791.76
  4. Step 4: Simplify right side
    49,016.16x = 1,879,795,737.94
  5. Step 5: Solve for x
    x = 1,879,795,737.94/49,016.16
  6. Step 6: Final answer
    x = 38,350.53

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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.