Home / 38,644.08-57,974.42-11,989.52

Finding the Fourth Proportional to 38,644.08, 57,974.42 and 11,989.52

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Solution

The fourth proportional to 38,644.08, 57,974.42 and 11,989.52 is: 17,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,644.08 : 57,974.42 = 11,989.52 : x
  2. Step 2: Convert to fraction form
    38,644.08/57,974.42 = 11,989.52/x
  3. Step 3: Cross multiply
    38,644.08x = 57,974.42 × 11,989.52
  4. Step 4: Simplify right side
    38,644.08x = 695,085,468.08
  5. Step 5: Solve for x
    x = 695,085,468.08/38,644.08
  6. Step 6: Final answer
    x = 17,986.86

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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.