Home / 36,318.11-54,497.97-14,128.64

Finding the Fourth Proportional to 36,318.11, 54,497.97 and 14,128.64

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Solution

The fourth proportional to 36,318.11, 54,497.97 and 14,128.64 is: 21,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318.11 : 54,497.97 = 14,128.64 : x
  2. Step 2: Convert to fraction form
    36,318.11/54,497.97 = 14,128.64/x
  3. Step 3: Cross multiply
    36,318.11x = 54,497.97 × 14,128.64
  4. Step 4: Simplify right side
    36,318.11x = 769,982,198.86
  5. Step 5: Solve for x
    x = 769,982,198.86/36,318.11
  6. Step 6: Final answer
    x = 21,201.05

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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.