Home / 69,450.09-95,840.61-39,234.86

Finding the Fourth Proportional to 69,450.09, 95,840.61 and 39,234.86

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Solution

The fourth proportional to 69,450.09, 95,840.61 and 39,234.86 is: 54,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,450.09 : 95,840.61 = 39,234.86 : x
  2. Step 2: Convert to fraction form
    69,450.09/95,840.61 = 39,234.86/x
  3. Step 3: Cross multiply
    69,450.09x = 95,840.61 × 39,234.86
  4. Step 4: Simplify right side
    69,450.09x = 3,760,292,648.73
  5. Step 5: Solve for x
    x = 3,760,292,648.73/69,450.09
  6. Step 6: Final answer
    x = 54,143.82

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1.5x scale

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.