Home / 63,824.38-95,751-21,129.73

Finding the Fourth Proportional to 63,824.38, 95,751 and 21,129.73

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Solution

The fourth proportional to 63,824.38, 95,751 and 21,129.73 is: 31,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,824.38 : 95,751 = 21,129.73 : x
  2. Step 2: Convert to fraction form
    63,824.38/95,751 = 21,129.73/x
  3. Step 3: Cross multiply
    63,824.38x = 95,751 × 21,129.73
  4. Step 4: Simplify right side
    63,824.38x = 2,023,192,537.85
  5. Step 5: Solve for x
    x = 2,023,192,537.85/63,824.38
  6. Step 6: Final answer
    x = 31,699.37

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1.5x scale

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.