Home / 31,701.96-43,753.32-18,272.88

Finding the Fourth Proportional to 31,701.96, 43,753.32 and 18,272.88

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Solution

The fourth proportional to 31,701.96, 43,753.32 and 18,272.88 is: 25,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,701.96 : 43,753.32 = 18,272.88 : x
  2. Step 2: Convert to fraction form
    31,701.96/43,753.32 = 18,272.88/x
  3. Step 3: Cross multiply
    31,701.96x = 43,753.32 × 18,272.88
  4. Step 4: Simplify right side
    31,701.96x = 799,499,165.96
  5. Step 5: Solve for x
    x = 799,499,165.96/31,701.96
  6. Step 6: Final answer
    x = 25,219.23

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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.