Home / 41,923-57,839.62-28,470.92

Finding the Fourth Proportional to 41,923, 57,839.62 and 28,470.92

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Solution

The fourth proportional to 41,923, 57,839.62 and 28,470.92 is: 39,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,923 : 57,839.62 = 28,470.92 : x
  2. Step 2: Convert to fraction form
    41,923/57,839.62 = 28,470.92/x
  3. Step 3: Cross multiply
    41,923x = 57,839.62 × 28,470.92
  4. Step 4: Simplify right side
    41,923x = 1,646,747,193.85
  5. Step 5: Solve for x
    x = 1,646,747,193.85/41,923
  6. Step 6: Final answer
    x = 39,280.28

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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.