Home / 42,203.26-63,286.43-20,022.96

Finding the Fourth Proportional to 42,203.26, 63,286.43 and 20,022.96

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Solution

The fourth proportional to 42,203.26, 63,286.43 and 20,022.96 is: 30,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203.26 : 63,286.43 = 20,022.96 : x
  2. Step 2: Convert to fraction form
    42,203.26/63,286.43 = 20,022.96/x
  3. Step 3: Cross multiply
    42,203.26x = 63,286.43 × 20,022.96
  4. Step 4: Simplify right side
    42,203.26x = 1,267,181,906.27
  5. Step 5: Solve for x
    x = 1,267,181,906.27/42,203.26
  6. Step 6: Final answer
    x = 30,025.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.