Home / 31,216.70-43,042.23-25,229.85

Finding the Fourth Proportional to 31,216.70, 43,042.23 and 25,229.85

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Solution

The fourth proportional to 31,216.70, 43,042.23 and 25,229.85 is: 34,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,216.70 : 43,042.23 = 25,229.85 : x
  2. Step 2: Convert to fraction form
    31,216.70/43,042.23 = 25,229.85/x
  3. Step 3: Cross multiply
    31,216.70x = 43,042.23 × 25,229.85
  4. Step 4: Simplify right side
    31,216.70x = 1,085,949,006.57
  5. Step 5: Solve for x
    x = 1,085,949,006.57/31,216.70
  6. Step 6: Final answer
    x = 34,787.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.