Home / 39,998.36-55,198.32-23,231.36

Finding the Fourth Proportional to 39,998.36, 55,198.32 and 23,231.36

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Solution

The fourth proportional to 39,998.36, 55,198.32 and 23,231.36 is: 32,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.36 : 55,198.32 = 23,231.36 : x
  2. Step 2: Convert to fraction form
    39,998.36/55,198.32 = 23,231.36/x
  3. Step 3: Cross multiply
    39,998.36x = 55,198.32 × 23,231.36
  4. Step 4: Simplify right side
    39,998.36x = 1,282,332,043.32
  5. Step 5: Solve for x
    x = 1,282,332,043.32/39,998.36
  6. Step 6: Final answer
    x = 32,059.62

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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.