Home / 40,190.36-55,462.68-22,286.60

Finding the Fourth Proportional to 40,190.36, 55,462.68 and 22,286.60

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Solution

The fourth proportional to 40,190.36, 55,462.68 and 22,286.60 is: 30,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.36 : 55,462.68 = 22,286.60 : x
  2. Step 2: Convert to fraction form
    40,190.36/55,462.68 = 22,286.60/x
  3. Step 3: Cross multiply
    40,190.36x = 55,462.68 × 22,286.60
  4. Step 4: Simplify right side
    40,190.36x = 1,236,074,564.09
  5. Step 5: Solve for x
    x = 1,236,074,564.09/40,190.36
  6. Step 6: Final answer
    x = 30,755.50

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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.