Home / 31,396.10-43,327.42-17,249.30

Finding the Fourth Proportional to 31,396.10, 43,327.42 and 17,249.30

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Solution

The fourth proportional to 31,396.10, 43,327.42 and 17,249.30 is: 23,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.10 : 43,327.42 = 17,249.30 : x
  2. Step 2: Convert to fraction form
    31,396.10/43,327.42 = 17,249.30/x
  3. Step 3: Cross multiply
    31,396.10x = 43,327.42 × 17,249.30
  4. Step 4: Simplify right side
    31,396.10x = 747,367,665.81
  5. Step 5: Solve for x
    x = 747,367,665.81/31,396.10
  6. Step 6: Final answer
    x = 23,804.47

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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.