Home / 31,613.05-43,625.49-17,272.57

Finding the Fourth Proportional to 31,613.05, 43,625.49 and 17,272.57

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Solution

The fourth proportional to 31,613.05, 43,625.49 and 17,272.57 is: 23,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,613.05 : 43,625.49 = 17,272.57 : x
  2. Step 2: Convert to fraction form
    31,613.05/43,625.49 = 17,272.57/x
  3. Step 3: Cross multiply
    31,613.05x = 43,625.49 × 17,272.57
  4. Step 4: Simplify right side
    31,613.05x = 753,524,220.75
  5. Step 5: Solve for x
    x = 753,524,220.75/31,613.05
  6. Step 6: Final answer
    x = 23,835.86

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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.