Home / 40,190.68-55,463.80-22,286.44

Finding the Fourth Proportional to 40,190.68, 55,463.80 and 22,286.44

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Solution

The fourth proportional to 40,190.68, 55,463.80 and 22,286.44 is: 30,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.68 : 55,463.80 = 22,286.44 : x
  2. Step 2: Convert to fraction form
    40,190.68/55,463.80 = 22,286.44/x
  3. Step 3: Cross multiply
    40,190.68x = 55,463.80 × 22,286.44
  4. Step 4: Simplify right side
    40,190.68x = 1,236,090,650.87
  5. Step 5: Solve for x
    x = 1,236,090,650.87/40,190.68
  6. Step 6: Final answer
    x = 30,755.65

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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.