Home / 39,413.97-59,103.18-11,327.61

Finding the Fourth Proportional to 39,413.97, 59,103.18 and 11,327.61

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Solution

The fourth proportional to 39,413.97, 59,103.18 and 11,327.61 is: 16,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,413.97 : 59,103.18 = 11,327.61 : x
  2. Step 2: Convert to fraction form
    39,413.97/59,103.18 = 11,327.61/x
  3. Step 3: Cross multiply
    39,413.97x = 59,103.18 × 11,327.61
  4. Step 4: Simplify right side
    39,413.97x = 669,497,772.80
  5. Step 5: Solve for x
    x = 669,497,772.80/39,413.97
  6. Step 6: Final answer
    x = 16,986.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.