Home / 31,591.42-43,595.82-17,251.21

Finding the Fourth Proportional to 31,591.42, 43,595.82 and 17,251.21

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Solution

The fourth proportional to 31,591.42, 43,595.82 and 17,251.21 is: 23,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591.42 : 43,595.82 = 17,251.21 : x
  2. Step 2: Convert to fraction form
    31,591.42/43,595.82 = 17,251.21/x
  3. Step 3: Cross multiply
    31,591.42x = 43,595.82 × 17,251.21
  4. Step 4: Simplify right side
    31,591.42x = 752,080,700.44
  5. Step 5: Solve for x
    x = 752,080,700.44/31,591.42
  6. Step 6: Final answer
    x = 23,806.49

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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.