Home / 45,286.92-67,867.11-38,588.43

Finding the Fourth Proportional to 45,286.92, 67,867.11 and 38,588.43

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Solution

The fourth proportional to 45,286.92, 67,867.11 and 38,588.43 is: 57,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,286.92 : 67,867.11 = 38,588.43 : x
  2. Step 2: Convert to fraction form
    45,286.92/67,867.11 = 38,588.43/x
  3. Step 3: Cross multiply
    45,286.92x = 67,867.11 × 38,588.43
  4. Step 4: Simplify right side
    45,286.92x = 2,618,885,223.54
  5. Step 5: Solve for x
    x = 2,618,885,223.54/45,286.92
  6. Step 6: Final answer
    x = 57,828.73

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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.