Home / 31,540.26-43,524.75-17,392.20

Finding the Fourth Proportional to 31,540.26, 43,524.75 and 17,392.20

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Solution

The fourth proportional to 31,540.26, 43,524.75 and 17,392.20 is: 24,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.26 : 43,524.75 = 17,392.20 : x
  2. Step 2: Convert to fraction form
    31,540.26/43,524.75 = 17,392.20/x
  3. Step 3: Cross multiply
    31,540.26x = 43,524.75 × 17,392.20
  4. Step 4: Simplify right side
    31,540.26x = 756,991,156.95
  5. Step 5: Solve for x
    x = 756,991,156.95/31,540.26
  6. Step 6: Final answer
    x = 24,000.79

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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.