Home / 38,620.01-57,951.91-20,850.43

Finding the Fourth Proportional to 38,620.01, 57,951.91 and 20,850.43

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Solution

The fourth proportional to 38,620.01, 57,951.91 and 20,850.43 is: 31,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.01 : 57,951.91 = 20,850.43 : x
  2. Step 2: Convert to fraction form
    38,620.01/57,951.91 = 20,850.43/x
  3. Step 3: Cross multiply
    38,620.01x = 57,951.91 × 20,850.43
  4. Step 4: Simplify right side
    38,620.01x = 1,208,322,115.38
  5. Step 5: Solve for x
    x = 1,208,322,115.38/38,620.01
  6. Step 6: Final answer
    x = 31,287.47

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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.