Home / 40,214.30-60,321.89-12,134.60

Finding the Fourth Proportional to 40,214.30, 60,321.89 and 12,134.60

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Solution

The fourth proportional to 40,214.30, 60,321.89 and 12,134.60 is: 18,202.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,214.30 : 60,321.89 = 12,134.60 : x
  2. Step 2: Convert to fraction form
    40,214.30/60,321.89 = 12,134.60/x
  3. Step 3: Cross multiply
    40,214.30x = 60,321.89 × 12,134.60
  4. Step 4: Simplify right side
    40,214.30x = 731,981,644.11
  5. Step 5: Solve for x
    x = 731,981,644.11/40,214.30
  6. Step 6: Final answer
    x = 18,202.03

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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.