Home / 39,813.30-54,923.97-25,670.70

Finding the Fourth Proportional to 39,813.30, 54,923.97 and 25,670.70

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Solution

The fourth proportional to 39,813.30, 54,923.97 and 25,670.70 is: 35,413.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,813.30 : 54,923.97 = 25,670.70 : x
  2. Step 2: Convert to fraction form
    39,813.30/54,923.97 = 25,670.70/x
  3. Step 3: Cross multiply
    39,813.30x = 54,923.97 × 25,670.70
  4. Step 4: Simplify right side
    39,813.30x = 1,409,936,756.68
  5. Step 5: Solve for x
    x = 1,409,936,756.68/39,813.30
  6. Step 6: Final answer
    x = 35,413.71

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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.