Home / 31,769.44-43,850.42-19,825.72

Finding the Fourth Proportional to 31,769.44, 43,850.42 and 19,825.72

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Solution

The fourth proportional to 31,769.44, 43,850.42 and 19,825.72 is: 27,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,769.44 : 43,850.42 = 19,825.72 : x
  2. Step 2: Convert to fraction form
    31,769.44/43,850.42 = 19,825.72/x
  3. Step 3: Cross multiply
    31,769.44x = 43,850.42 × 19,825.72
  4. Step 4: Simplify right side
    31,769.44x = 869,366,148.80
  5. Step 5: Solve for x
    x = 869,366,148.80/31,769.44
  6. Step 6: Final answer
    x = 27,364.86

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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.