Home / 55,236.88-82,857.36-17,791.96

Finding the Fourth Proportional to 55,236.88, 82,857.36 and 17,791.96

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Solution

The fourth proportional to 55,236.88, 82,857.36 and 17,791.96 is: 26,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.88 : 82,857.36 = 17,791.96 : x
  2. Step 2: Convert to fraction form
    55,236.88/82,857.36 = 17,791.96/x
  3. Step 3: Cross multiply
    55,236.88x = 82,857.36 × 17,791.96
  4. Step 4: Simplify right side
    55,236.88x = 1,474,194,834.83
  5. Step 5: Solve for x
    x = 1,474,194,834.83/55,236.88
  6. Step 6: Final answer
    x = 26,688.60

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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.