Home / 69,450.81-95,836.43-39,238.75

Finding the Fourth Proportional to 69,450.81, 95,836.43 and 39,238.75

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Solution

The fourth proportional to 69,450.81, 95,836.43 and 39,238.75 is: 54,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,450.81 : 95,836.43 = 39,238.75 : x
  2. Step 2: Convert to fraction form
    69,450.81/95,836.43 = 39,238.75/x
  3. Step 3: Cross multiply
    69,450.81x = 95,836.43 × 39,238.75
  4. Step 4: Simplify right side
    69,450.81x = 3,760,501,717.66
  5. Step 5: Solve for x
    x = 3,760,501,717.66/69,450.81
  6. Step 6: Final answer
    x = 54,146.26

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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.