Home / 31,879.14-43,993.08-17,731.98

Finding the Fourth Proportional to 31,879.14, 43,993.08 and 17,731.98

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Solution

The fourth proportional to 31,879.14, 43,993.08 and 17,731.98 is: 24,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,879.14 : 43,993.08 = 17,731.98 : x
  2. Step 2: Convert to fraction form
    31,879.14/43,993.08 = 17,731.98/x
  3. Step 3: Cross multiply
    31,879.14x = 43,993.08 × 17,731.98
  4. Step 4: Simplify right side
    31,879.14x = 780,084,414.70
  5. Step 5: Solve for x
    x = 780,084,414.70/31,879.14
  6. Step 6: Final answer
    x = 24,470.06

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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.