Home / 31,520.44-43,496.49-17,372.17

Finding the Fourth Proportional to 31,520.44, 43,496.49 and 17,372.17

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Solution

The fourth proportional to 31,520.44, 43,496.49 and 17,372.17 is: 23,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.44 : 43,496.49 = 17,372.17 : x
  2. Step 2: Convert to fraction form
    31,520.44/43,496.49 = 17,372.17/x
  3. Step 3: Cross multiply
    31,520.44x = 43,496.49 × 17,372.17
  4. Step 4: Simplify right side
    31,520.44x = 755,628,418.68
  5. Step 5: Solve for x
    x = 755,628,418.68/31,520.44
  6. Step 6: Final answer
    x = 23,972.65

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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.