Home / 31,161.11-43,022.90-19,241.96

Finding the Fourth Proportional to 31,161.11, 43,022.90 and 19,241.96

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Solution

The fourth proportional to 31,161.11, 43,022.90 and 19,241.96 is: 26,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.11 : 43,022.90 = 19,241.96 : x
  2. Step 2: Convert to fraction form
    31,161.11/43,022.90 = 19,241.96/x
  3. Step 3: Cross multiply
    31,161.11x = 43,022.90 × 19,241.96
  4. Step 4: Simplify right side
    31,161.11x = 827,845,076.55
  5. Step 5: Solve for x
    x = 827,845,076.55/31,161.11
  6. Step 6: Final answer
    x = 26,566.61

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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.