Home / 39,986.87-55,179.81-22,083.44

Finding the Fourth Proportional to 39,986.87, 55,179.81 and 22,083.44

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Solution

The fourth proportional to 39,986.87, 55,179.81 and 22,083.44 is: 30,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.87 : 55,179.81 = 22,083.44 : x
  2. Step 2: Convert to fraction form
    39,986.87/55,179.81 = 22,083.44/x
  3. Step 3: Cross multiply
    39,986.87x = 55,179.81 × 22,083.44
  4. Step 4: Simplify right side
    39,986.87x = 1,218,559,747.45
  5. Step 5: Solve for x
    x = 1,218,559,747.45/39,986.87
  6. Step 6: Final answer
    x = 30,474.00

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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.