Home / 55,757.27-76,942.96-30,263.09

Finding the Fourth Proportional to 55,757.27, 76,942.96 and 30,263.09

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Solution

The fourth proportional to 55,757.27, 76,942.96 and 30,263.09 is: 41,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,757.27 : 76,942.96 = 30,263.09 : x
  2. Step 2: Convert to fraction form
    55,757.27/76,942.96 = 30,263.09/x
  3. Step 3: Cross multiply
    55,757.27x = 76,942.96 × 30,263.09
  4. Step 4: Simplify right side
    55,757.27x = 2,328,531,262.97
  5. Step 5: Solve for x
    x = 2,328,531,262.97/55,757.27
  6. Step 6: Final answer
    x = 41,761.93

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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.