Home / 31,884.03-43,997.24-18,456.12

Finding the Fourth Proportional to 31,884.03, 43,997.24 and 18,456.12

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Solution

The fourth proportional to 31,884.03, 43,997.24 and 18,456.12 is: 25,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,884.03 : 43,997.24 = 18,456.12 : x
  2. Step 2: Convert to fraction form
    31,884.03/43,997.24 = 18,456.12/x
  3. Step 3: Cross multiply
    31,884.03x = 43,997.24 × 18,456.12
  4. Step 4: Simplify right side
    31,884.03x = 812,018,248.83
  5. Step 5: Solve for x
    x = 812,018,248.83/31,884.03
  6. Step 6: Final answer
    x = 25,467.87

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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.