Home / 36,638.20-54,960.78-9,984.52

Finding the Fourth Proportional to 36,638.20, 54,960.78 and 9,984.52

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Solution

The fourth proportional to 36,638.20, 54,960.78 and 9,984.52 is: 14,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.20 : 54,960.78 = 9,984.52 : x
  2. Step 2: Convert to fraction form
    36,638.20/54,960.78 = 9,984.52/x
  3. Step 3: Cross multiply
    36,638.20x = 54,960.78 × 9,984.52
  4. Step 4: Simplify right side
    36,638.20x = 548,757,007.13
  5. Step 5: Solve for x
    x = 548,757,007.13/36,638.20
  6. Step 6: Final answer
    x = 14,977.73

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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.