Home / 31,195.29-43,037.29-19,237.87

Finding the Fourth Proportional to 31,195.29, 43,037.29 and 19,237.87

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Solution

The fourth proportional to 31,195.29, 43,037.29 and 19,237.87 is: 26,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,195.29 : 43,037.29 = 19,237.87 : x
  2. Step 2: Convert to fraction form
    31,195.29/43,037.29 = 19,237.87/x
  3. Step 3: Cross multiply
    31,195.29x = 43,037.29 × 19,237.87
  4. Step 4: Simplify right side
    31,195.29x = 827,945,478.80
  5. Step 5: Solve for x
    x = 827,945,478.80/31,195.29
  6. Step 6: Final answer
    x = 26,540.72

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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.