Home / 40,310.42-55,629.24-22,405.10

Finding the Fourth Proportional to 40,310.42, 55,629.24 and 22,405.10

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Solution

The fourth proportional to 40,310.42, 55,629.24 and 22,405.10 is: 30,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,310.42 : 55,629.24 = 22,405.10 : x
  2. Step 2: Convert to fraction form
    40,310.42/55,629.24 = 22,405.10/x
  3. Step 3: Cross multiply
    40,310.42x = 55,629.24 × 22,405.10
  4. Step 4: Simplify right side
    40,310.42x = 1,246,378,685.12
  5. Step 5: Solve for x
    x = 1,246,378,685.12/40,310.42
  6. Step 6: Final answer
    x = 30,919.52

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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.