Home / 31,396.16-43,327.52-17,249.76

Finding the Fourth Proportional to 31,396.16, 43,327.52 and 17,249.76

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Solution

The fourth proportional to 31,396.16, 43,327.52 and 17,249.76 is: 23,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.16 : 43,327.52 = 17,249.76 : x
  2. Step 2: Convert to fraction form
    31,396.16/43,327.52 = 17,249.76/x
  3. Step 3: Cross multiply
    31,396.16x = 43,327.52 × 17,249.76
  4. Step 4: Simplify right side
    31,396.16x = 747,389,321.40
  5. Step 5: Solve for x
    x = 747,389,321.40/31,396.16
  6. Step 6: Final answer
    x = 23,805.12

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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.