Home / 50,672.38-75,967.56-21,112.42

Finding the Fourth Proportional to 50,672.38, 75,967.56 and 21,112.42

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Solution

The fourth proportional to 50,672.38, 75,967.56 and 21,112.42 is: 31,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.38 : 75,967.56 = 21,112.42 : x
  2. Step 2: Convert to fraction form
    50,672.38/75,967.56 = 21,112.42/x
  3. Step 3: Cross multiply
    50,672.38x = 75,967.56 × 21,112.42
  4. Step 4: Simplify right side
    50,672.38x = 1,603,859,033.10
  5. Step 5: Solve for x
    x = 1,603,859,033.10/50,672.38
  6. Step 6: Final answer
    x = 31,651.54

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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.