Home / 45,062.05-67,451.35-30,939.43

Finding the Fourth Proportional to 45,062.05, 67,451.35 and 30,939.43

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Solution

The fourth proportional to 45,062.05, 67,451.35 and 30,939.43 is: 46,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,062.05 : 67,451.35 = 30,939.43 : x
  2. Step 2: Convert to fraction form
    45,062.05/67,451.35 = 30,939.43/x
  3. Step 3: Cross multiply
    45,062.05x = 67,451.35 × 30,939.43
  4. Step 4: Simplify right side
    45,062.05x = 2,086,906,321.73
  5. Step 5: Solve for x
    x = 2,086,906,321.73/45,062.05
  6. Step 6: Final answer
    x = 46,311.84

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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.