Home / 57,282.78-85,896.38-19,844.99

Finding the Fourth Proportional to 57,282.78, 85,896.38 and 19,844.99

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Solution

The fourth proportional to 57,282.78, 85,896.38 and 19,844.99 is: 29,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,282.78 : 85,896.38 = 19,844.99 : x
  2. Step 2: Convert to fraction form
    57,282.78/85,896.38 = 19,844.99/x
  3. Step 3: Cross multiply
    57,282.78x = 85,896.38 × 19,844.99
  4. Step 4: Simplify right side
    57,282.78x = 1,704,612,273.43
  5. Step 5: Solve for x
    x = 1,704,612,273.43/57,282.78
  6. Step 6: Final answer
    x = 29,757.85

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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.