Home / 40,039.14-55,249.77-22,131.27

Finding the Fourth Proportional to 40,039.14, 55,249.77 and 22,131.27

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Solution

The fourth proportional to 40,039.14, 55,249.77 and 22,131.27 is: 30,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.14 : 55,249.77 = 22,131.27 : x
  2. Step 2: Convert to fraction form
    40,039.14/55,249.77 = 22,131.27/x
  3. Step 3: Cross multiply
    40,039.14x = 55,249.77 × 22,131.27
  4. Step 4: Simplify right side
    40,039.14x = 1,222,747,577.31
  5. Step 5: Solve for x
    x = 1,222,747,577.31/40,039.14
  6. Step 6: Final answer
    x = 30,538.81

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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.