Home / 45,105.21-67,609.22-18,793.17

Finding the Fourth Proportional to 45,105.21, 67,609.22 and 18,793.17

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Solution

The fourth proportional to 45,105.21, 67,609.22 and 18,793.17 is: 28,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,105.21 : 67,609.22 = 18,793.17 : x
  2. Step 2: Convert to fraction form
    45,105.21/67,609.22 = 18,793.17/x
  3. Step 3: Cross multiply
    45,105.21x = 67,609.22 × 18,793.17
  4. Step 4: Simplify right side
    45,105.21x = 1,270,591,471.06
  5. Step 5: Solve for x
    x = 1,270,591,471.06/45,105.21
  6. Step 6: Final answer
    x = 28,169.51

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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.