Home / 40,190.86-55,464.05-22,286.62

Finding the Fourth Proportional to 40,190.86, 55,464.05 and 22,286.62

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Solution

The fourth proportional to 40,190.86, 55,464.05 and 22,286.62 is: 30,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.86 : 55,464.05 = 22,286.62 : x
  2. Step 2: Convert to fraction form
    40,190.86/55,464.05 = 22,286.62/x
  3. Step 3: Cross multiply
    40,190.86x = 55,464.05 × 22,286.62
  4. Step 4: Simplify right side
    40,190.86x = 1,236,106,206.01
  5. Step 5: Solve for x
    x = 1,236,106,206.01/40,190.86
  6. Step 6: Final answer
    x = 30,755.90

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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.