Home / 40,033.49-55,249.09-22,128.12

Finding the Fourth Proportional to 40,033.49, 55,249.09 and 22,128.12

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Solution

The fourth proportional to 40,033.49, 55,249.09 and 22,128.12 is: 30,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,033.49 : 55,249.09 = 22,128.12 : x
  2. Step 2: Convert to fraction form
    40,033.49/55,249.09 = 22,128.12/x
  3. Step 3: Cross multiply
    40,033.49x = 55,249.09 × 22,128.12
  4. Step 4: Simplify right side
    40,033.49x = 1,222,558,438.09
  5. Step 5: Solve for x
    x = 1,222,558,438.09/40,033.49
  6. Step 6: Final answer
    x = 30,538.40

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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.