Home / 49,982.14-74,973.22-20,413.90

Finding the Fourth Proportional to 49,982.14, 74,973.22 and 20,413.90

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Solution

The fourth proportional to 49,982.14, 74,973.22 and 20,413.90 is: 30,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,982.14 : 74,973.22 = 20,413.90 : x
  2. Step 2: Convert to fraction form
    49,982.14/74,973.22 = 20,413.90/x
  3. Step 3: Cross multiply
    49,982.14x = 74,973.22 × 20,413.90
  4. Step 4: Simplify right side
    49,982.14x = 1,530,495,815.76
  5. Step 5: Solve for x
    x = 1,530,495,815.76/49,982.14
  6. Step 6: Final answer
    x = 30,620.85

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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.