Home / 50,670.38-75,964.56-21,110.42

Finding the Fourth Proportional to 50,670.38, 75,964.56 and 21,110.42

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Solution

The fourth proportional to 50,670.38, 75,964.56 and 21,110.42 is: 31,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,670.38 : 75,964.56 = 21,110.42 : x
  2. Step 2: Convert to fraction form
    50,670.38/75,964.56 = 21,110.42/x
  3. Step 3: Cross multiply
    50,670.38x = 75,964.56 × 21,110.42
  4. Step 4: Simplify right side
    50,670.38x = 1,603,643,766.72
  5. Step 5: Solve for x
    x = 1,603,643,766.72/50,670.38
  6. Step 6: Final answer
    x = 31,648.54

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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.