Home / 39,933.41-55,108.11-22,028.46

Finding the Fourth Proportional to 39,933.41, 55,108.11 and 22,028.46

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Solution

The fourth proportional to 39,933.41, 55,108.11 and 22,028.46 is: 30,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,933.41 : 55,108.11 = 22,028.46 : x
  2. Step 2: Convert to fraction form
    39,933.41/55,108.11 = 22,028.46/x
  3. Step 3: Cross multiply
    39,933.41x = 55,108.11 × 22,028.46
  4. Step 4: Simplify right side
    39,933.41x = 1,213,946,796.81
  5. Step 5: Solve for x
    x = 1,213,946,796.81/39,933.41
  6. Step 6: Final answer
    x = 30,399.28

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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.