Home / 33,127.20-49,647.60-13,389.60

Finding the Fourth Proportional to 33,127.20, 49,647.60 and 13,389.60

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Solution

The fourth proportional to 33,127.20, 49,647.60 and 13,389.60 is: 20,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,127.20 : 49,647.60 = 13,389.60 : x
  2. Step 2: Convert to fraction form
    33,127.20/49,647.60 = 13,389.60/x
  3. Step 3: Cross multiply
    33,127.20x = 49,647.60 × 13,389.60
  4. Step 4: Simplify right side
    33,127.20x = 664,761,504.96
  5. Step 5: Solve for x
    x = 664,761,504.96/33,127.20
  6. Step 6: Final answer
    x = 20,066.94

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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.