Home / 31,662.82-43,701.94-18,241.84

Finding the Fourth Proportional to 31,662.82, 43,701.94 and 18,241.84

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Solution

The fourth proportional to 31,662.82, 43,701.94 and 18,241.84 is: 25,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,662.82 : 43,701.94 = 18,241.84 : x
  2. Step 2: Convert to fraction form
    31,662.82/43,701.94 = 18,241.84/x
  3. Step 3: Cross multiply
    31,662.82x = 43,701.94 × 18,241.84
  4. Step 4: Simplify right side
    31,662.82x = 797,203,797.17
  5. Step 5: Solve for x
    x = 797,203,797.17/31,662.82
  6. Step 6: Final answer
    x = 25,177.92

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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.