Home / 31,877.39-43,991.01-17,731.14

Finding the Fourth Proportional to 31,877.39, 43,991.01 and 17,731.14

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Solution

The fourth proportional to 31,877.39, 43,991.01 and 17,731.14 is: 24,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877.39 : 43,991.01 = 17,731.14 : x
  2. Step 2: Convert to fraction form
    31,877.39/43,991.01 = 17,731.14/x
  3. Step 3: Cross multiply
    31,877.39x = 43,991.01 × 17,731.14
  4. Step 4: Simplify right side
    31,877.39x = 780,010,757.05
  5. Step 5: Solve for x
    x = 780,010,757.05/31,877.39
  6. Step 6: Final answer
    x = 24,469.09

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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.