Home / 43,086.44-64,634.29-18,129.03

Finding the Fourth Proportional to 43,086.44, 64,634.29 and 18,129.03

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Solution

The fourth proportional to 43,086.44, 64,634.29 and 18,129.03 is: 27,195.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,086.44 : 64,634.29 = 18,129.03 : x
  2. Step 2: Convert to fraction form
    43,086.44/64,634.29 = 18,129.03/x
  3. Step 3: Cross multiply
    43,086.44x = 64,634.29 × 18,129.03
  4. Step 4: Simplify right side
    43,086.44x = 1,171,756,982.44
  5. Step 5: Solve for x
    x = 1,171,756,982.44/43,086.44
  6. Step 6: Final answer
    x = 27,195.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.