Home / 39,538.78-54,558.13-23,619.85

Finding the Fourth Proportional to 39,538.78, 54,558.13 and 23,619.85

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Solution

The fourth proportional to 39,538.78, 54,558.13 and 23,619.85 is: 32,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,538.78 : 54,558.13 = 23,619.85 : x
  2. Step 2: Convert to fraction form
    39,538.78/54,558.13 = 23,619.85/x
  3. Step 3: Cross multiply
    39,538.78x = 54,558.13 × 23,619.85
  4. Step 4: Simplify right side
    39,538.78x = 1,288,654,651.44
  5. Step 5: Solve for x
    x = 1,288,654,651.44/39,538.78
  6. Step 6: Final answer
    x = 32,592.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.