Home / 36,109.20-54,163.80-12,732.60

Finding the Fourth Proportional to 36,109.20, 54,163.80 and 12,732.60

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Solution

The fourth proportional to 36,109.20, 54,163.80 and 12,732.60 is: 19,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109.20 : 54,163.80 = 12,732.60 : x
  2. Step 2: Convert to fraction form
    36,109.20/54,163.80 = 12,732.60/x
  3. Step 3: Cross multiply
    36,109.20x = 54,163.80 × 12,732.60
  4. Step 4: Simplify right side
    36,109.20x = 689,645,999.88
  5. Step 5: Solve for x
    x = 689,645,999.88/36,109.20
  6. Step 6: Final answer
    x = 19,098.90

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1.5x scale

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.