Home / 40,195.78-55,468.73-22,290.39

Finding the Fourth Proportional to 40,195.78, 55,468.73 and 22,290.39

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Solution

The fourth proportional to 40,195.78, 55,468.73 and 22,290.39 is: 30,759.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,195.78 : 55,468.73 = 22,290.39 : x
  2. Step 2: Convert to fraction form
    40,195.78/55,468.73 = 22,290.39/x
  3. Step 3: Cross multiply
    40,195.78x = 55,468.73 × 22,290.39
  4. Step 4: Simplify right side
    40,195.78x = 1,236,419,680.23
  5. Step 5: Solve for x
    x = 1,236,419,680.23/40,195.78
  6. Step 6: Final answer
    x = 30,759.94

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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.