Home / 69,450.06-95,835.39-39,238

Finding the Fourth Proportional to 69,450.06, 95,835.39 and 39,238

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Solution

The fourth proportional to 69,450.06, 95,835.39 and 39,238 is: 54,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,450.06 : 95,835.39 = 39,238 : x
  2. Step 2: Convert to fraction form
    69,450.06/95,835.39 = 39,238/x
  3. Step 3: Cross multiply
    69,450.06x = 95,835.39 × 39,238
  4. Step 4: Simplify right side
    69,450.06x = 3,760,389,130.92
  5. Step 5: Solve for x
    x = 3,760,389,130.92/69,450.06
  6. Step 6: Final answer
    x = 54,145.23

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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.