Home / 36,942.40-55,413.60-34,091.20

Finding the Fourth Proportional to 36,942.40, 55,413.60 and 34,091.20

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Solution

The fourth proportional to 36,942.40, 55,413.60 and 34,091.20 is: 51,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,942.40 : 55,413.60 = 34,091.20 : x
  2. Step 2: Convert to fraction form
    36,942.40/55,413.60 = 34,091.20/x
  3. Step 3: Cross multiply
    36,942.40x = 55,413.60 × 34,091.20
  4. Step 4: Simplify right side
    36,942.40x = 1,889,116,120.32
  5. Step 5: Solve for x
    x = 1,889,116,120.32/36,942.40
  6. Step 6: Final answer
    x = 51,136.80

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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.