Home / 31,171.20-43,016.52-17,741.80

Finding the Fourth Proportional to 31,171.20, 43,016.52 and 17,741.80

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Solution

The fourth proportional to 31,171.20, 43,016.52 and 17,741.80 is: 24,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.20 : 43,016.52 = 17,741.80 : x
  2. Step 2: Convert to fraction form
    31,171.20/43,016.52 = 17,741.80/x
  3. Step 3: Cross multiply
    31,171.20x = 43,016.52 × 17,741.80
  4. Step 4: Simplify right side
    31,171.20x = 763,190,494.54
  5. Step 5: Solve for x
    x = 763,190,494.54/31,171.20
  6. Step 6: Final answer
    x = 24,483.83

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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.