Home / 69,380.76-95,736.78-39,162.36

Finding the Fourth Proportional to 69,380.76, 95,736.78 and 39,162.36

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Solution

The fourth proportional to 69,380.76, 95,736.78 and 39,162.36 is: 54,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.76 : 95,736.78 = 39,162.36 : x
  2. Step 2: Convert to fraction form
    69,380.76/95,736.78 = 39,162.36/x
  3. Step 3: Cross multiply
    69,380.76x = 95,736.78 × 39,162.36
  4. Step 4: Simplify right side
    69,380.76x = 3,749,278,243.60
  5. Step 5: Solve for x
    x = 3,749,278,243.60/69,380.76
  6. Step 6: Final answer
    x = 54,039.16

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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.