Home / 29,102.82-43,660.96-9,111.18

Finding the Fourth Proportional to 29,102.82, 43,660.96 and 9,111.18

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Solution

The fourth proportional to 29,102.82, 43,660.96 and 9,111.18 is: 13,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,102.82 : 43,660.96 = 9,111.18 : x
  2. Step 2: Convert to fraction form
    29,102.82/43,660.96 = 9,111.18/x
  3. Step 3: Cross multiply
    29,102.82x = 43,660.96 × 9,111.18
  4. Step 4: Simplify right side
    29,102.82x = 397,802,865.53
  5. Step 5: Solve for x
    x = 397,802,865.53/29,102.82
  6. Step 6: Final answer
    x = 13,668.88

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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.