Home / 39,933.45-55,107.36-22,028.90

Finding the Fourth Proportional to 39,933.45, 55,107.36 and 22,028.90

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Solution

The fourth proportional to 39,933.45, 55,107.36 and 22,028.90 is: 30,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,933.45 : 55,107.36 = 22,028.90 : x
  2. Step 2: Convert to fraction form
    39,933.45/55,107.36 = 22,028.90/x
  3. Step 3: Cross multiply
    39,933.45x = 55,107.36 × 22,028.90
  4. Step 4: Simplify right side
    39,933.45x = 1,213,954,247.17
  5. Step 5: Solve for x
    x = 1,213,954,247.17/39,933.45
  6. Step 6: Final answer
    x = 30,399.43

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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.