Home / 41,379.60-62,069.40-40,942.20

Finding the Fourth Proportional to 41,379.60, 62,069.40 and 40,942.20

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Solution

The fourth proportional to 41,379.60, 62,069.40 and 40,942.20 is: 61,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,379.60 : 62,069.40 = 40,942.20 : x
  2. Step 2: Convert to fraction form
    41,379.60/62,069.40 = 40,942.20/x
  3. Step 3: Cross multiply
    41,379.60x = 62,069.40 × 40,942.20
  4. Step 4: Simplify right side
    41,379.60x = 2,541,257,788.68
  5. Step 5: Solve for x
    x = 2,541,257,788.68/41,379.60
  6. Step 6: Final answer
    x = 61,413.30

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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.