Home / 39,936.66-55,119.33-23,179.38

Finding the Fourth Proportional to 39,936.66, 55,119.33 and 23,179.38

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Solution

The fourth proportional to 39,936.66, 55,119.33 and 23,179.38 is: 31,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.66 : 55,119.33 = 23,179.38 : x
  2. Step 2: Convert to fraction form
    39,936.66/55,119.33 = 23,179.38/x
  3. Step 3: Cross multiply
    39,936.66x = 55,119.33 × 23,179.38
  4. Step 4: Simplify right side
    39,936.66x = 1,277,631,895.42
  5. Step 5: Solve for x
    x = 1,277,631,895.42/39,936.66
  6. Step 6: Final answer
    x = 31,991.46

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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.