Home / 54,475.44-81,729.57-19,410.54

Finding the Fourth Proportional to 54,475.44, 81,729.57 and 19,410.54

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Solution

The fourth proportional to 54,475.44, 81,729.57 and 19,410.54 is: 29,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,475.44 : 81,729.57 = 19,410.54 : x
  2. Step 2: Convert to fraction form
    54,475.44/81,729.57 = 19,410.54/x
  3. Step 3: Cross multiply
    54,475.44x = 81,729.57 × 19,410.54
  4. Step 4: Simplify right side
    54,475.44x = 1,586,415,087.67
  5. Step 5: Solve for x
    x = 1,586,415,087.67/54,475.44
  6. Step 6: Final answer
    x = 29,121.66

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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.