Home / 39,933.52-55,107.96-22,028.56

Finding the Fourth Proportional to 39,933.52, 55,107.96 and 22,028.56

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Solution

The fourth proportional to 39,933.52, 55,107.96 and 22,028.56 is: 30,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,933.52 : 55,107.96 = 22,028.56 : x
  2. Step 2: Convert to fraction form
    39,933.52/55,107.96 = 22,028.56/x
  3. Step 3: Cross multiply
    39,933.52x = 55,107.96 × 22,028.56
  4. Step 4: Simplify right side
    39,933.52x = 1,213,949,003.34
  5. Step 5: Solve for x
    x = 1,213,949,003.34/39,933.52
  6. Step 6: Final answer
    x = 30,399.25

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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.