Home / 31,229.44-43,101.34-19,903.97

Finding the Fourth Proportional to 31,229.44, 43,101.34 and 19,903.97

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Solution

The fourth proportional to 31,229.44, 43,101.34 and 19,903.97 is: 27,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,229.44 : 43,101.34 = 19,903.97 : x
  2. Step 2: Convert to fraction form
    31,229.44/43,101.34 = 19,903.97/x
  3. Step 3: Cross multiply
    31,229.44x = 43,101.34 × 19,903.97
  4. Step 4: Simplify right side
    31,229.44x = 857,887,836.31
  5. Step 5: Solve for x
    x = 857,887,836.31/31,229.44
  6. Step 6: Final answer
    x = 27,470.49

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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.