Home / 31,279.68-43,221.92-25,043.52

Finding the Fourth Proportional to 31,279.68, 43,221.92 and 25,043.52

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Solution

The fourth proportional to 31,279.68, 43,221.92 and 25,043.52 is: 34,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,279.68 : 43,221.92 = 25,043.52 : x
  2. Step 2: Convert to fraction form
    31,279.68/43,221.92 = 25,043.52/x
  3. Step 3: Cross multiply
    31,279.68x = 43,221.92 × 25,043.52
  4. Step 4: Simplify right side
    31,279.68x = 1,082,429,017.96
  5. Step 5: Solve for x
    x = 1,082,429,017.96/31,279.68
  6. Step 6: Final answer
    x = 34,604.86

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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.