Home / 31,245.75-43,119.54-17,098.29

Finding the Fourth Proportional to 31,245.75, 43,119.54 and 17,098.29

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Solution

The fourth proportional to 31,245.75, 43,119.54 and 17,098.29 is: 23,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245.75 : 43,119.54 = 17,098.29 : x
  2. Step 2: Convert to fraction form
    31,245.75/43,119.54 = 17,098.29/x
  3. Step 3: Cross multiply
    31,245.75x = 43,119.54 × 17,098.29
  4. Step 4: Simplify right side
    31,245.75x = 737,270,399.59
  5. Step 5: Solve for x
    x = 737,270,399.59/31,245.75
  6. Step 6: Final answer
    x = 23,595.86

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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.