Home / 39,942.94-55,121.55-22,038.59

Finding the Fourth Proportional to 39,942.94, 55,121.55 and 22,038.59

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Solution

The fourth proportional to 39,942.94, 55,121.55 and 22,038.59 is: 30,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.94 : 55,121.55 = 22,038.59 : x
  2. Step 2: Convert to fraction form
    39,942.94/55,121.55 = 22,038.59/x
  3. Step 3: Cross multiply
    39,942.94x = 55,121.55 × 22,038.59
  4. Step 4: Simplify right side
    39,942.94x = 1,214,801,240.61
  5. Step 5: Solve for x
    x = 1,214,801,240.61/39,942.94
  6. Step 6: Final answer
    x = 30,413.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.