Home / 31,396.08-43,326.72-17,249.20

Finding the Fourth Proportional to 31,396.08, 43,326.72 and 17,249.20

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Solution

The fourth proportional to 31,396.08, 43,326.72 and 17,249.20 is: 23,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.08 : 43,326.72 = 17,249.20 : x
  2. Step 2: Convert to fraction form
    31,396.08/43,326.72 = 17,249.20/x
  3. Step 3: Cross multiply
    31,396.08x = 43,326.72 × 17,249.20
  4. Step 4: Simplify right side
    31,396.08x = 747,351,258.62
  5. Step 5: Solve for x
    x = 747,351,258.62/31,396.08
  6. Step 6: Final answer
    x = 23,803.97

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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.