Home / 49,448.49-68,172.84-40,919.19

Finding the Fourth Proportional to 49,448.49, 68,172.84 and 40,919.19

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Solution

The fourth proportional to 49,448.49, 68,172.84 and 40,919.19 is: 56,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,448.49 : 68,172.84 = 40,919.19 : x
  2. Step 2: Convert to fraction form
    49,448.49/68,172.84 = 40,919.19/x
  3. Step 3: Cross multiply
    49,448.49x = 68,172.84 × 40,919.19
  4. Step 4: Simplify right side
    49,448.49x = 2,789,577,392.80
  5. Step 5: Solve for x
    x = 2,789,577,392.80/49,448.49
  6. Step 6: Final answer
    x = 56,413.80

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Why These Related Problems?

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