Home / 39,371.79-59,067-15,680.70

Finding the Fourth Proportional to 39,371.79, 59,067 and 15,680.70

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Solution

The fourth proportional to 39,371.79, 59,067 and 15,680.70 is: 23,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371.79 : 59,067 = 15,680.70 : x
  2. Step 2: Convert to fraction form
    39,371.79/59,067 = 15,680.70/x
  3. Step 3: Cross multiply
    39,371.79x = 59,067 × 15,680.70
  4. Step 4: Simplify right side
    39,371.79x = 926,211,906.90
  5. Step 5: Solve for x
    x = 926,211,906.90/39,371.79
  6. Step 6: Final answer
    x = 23,524.76

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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.