Home / 36,643.44-54,969.20-11,677.68

Finding the Fourth Proportional to 36,643.44, 54,969.20 and 11,677.68

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Solution

The fourth proportional to 36,643.44, 54,969.20 and 11,677.68 is: 17,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,643.44 : 54,969.20 = 11,677.68 : x
  2. Step 2: Convert to fraction form
    36,643.44/54,969.20 = 11,677.68/x
  3. Step 3: Cross multiply
    36,643.44x = 54,969.20 × 11,677.68
  4. Step 4: Simplify right side
    36,643.44x = 641,912,727.46
  5. Step 5: Solve for x
    x = 641,912,727.46/36,643.44
  6. Step 6: Final answer
    x = 17,517.81

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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.