Home / 31,168.44-43,016.22-17,742.96

Finding the Fourth Proportional to 31,168.44, 43,016.22 and 17,742.96

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Solution

The fourth proportional to 31,168.44, 43,016.22 and 17,742.96 is: 24,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,168.44 : 43,016.22 = 17,742.96 : x
  2. Step 2: Convert to fraction form
    31,168.44/43,016.22 = 17,742.96/x
  3. Step 3: Cross multiply
    31,168.44x = 43,016.22 × 17,742.96
  4. Step 4: Simplify right side
    31,168.44x = 763,235,070.81
  5. Step 5: Solve for x
    x = 763,235,070.81/31,168.44
  6. Step 6: Final answer
    x = 24,487.43

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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.