Home / 50,040.32-68,976.24-39,413.12

Finding the Fourth Proportional to 50,040.32, 68,976.24 and 39,413.12

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Solution

The fourth proportional to 50,040.32, 68,976.24 and 39,413.12 is: 54,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,040.32 : 68,976.24 = 39,413.12 : x
  2. Step 2: Convert to fraction form
    50,040.32/68,976.24 = 39,413.12/x
  3. Step 3: Cross multiply
    50,040.32x = 68,976.24 × 39,413.12
  4. Step 4: Simplify right side
    50,040.32x = 2,718,568,824.27
  5. Step 5: Solve for x
    x = 2,718,568,824.27/50,040.32
  6. Step 6: Final answer
    x = 54,327.57

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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.