Home / 39,933.78-55,107.73-22,028.79

Finding the Fourth Proportional to 39,933.78, 55,107.73 and 22,028.79

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Solution

The fourth proportional to 39,933.78, 55,107.73 and 22,028.79 is: 30,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,933.78 : 55,107.73 = 22,028.79 : x
  2. Step 2: Convert to fraction form
    39,933.78/55,107.73 = 22,028.79/x
  3. Step 3: Cross multiply
    39,933.78x = 55,107.73 × 22,028.79
  4. Step 4: Simplify right side
    39,933.78x = 1,213,956,611.55
  5. Step 5: Solve for x
    x = 1,213,956,611.55/39,933.78
  6. Step 6: Final answer
    x = 30,399.24

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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.