Home / 30,231.27-45,232.83-27,161.82

Finding the Fourth Proportional to 30,231.27, 45,232.83 and 27,161.82

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Solution

The fourth proportional to 30,231.27, 45,232.83 and 27,161.82 is: 40,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.27 : 45,232.83 = 27,161.82 : x
  2. Step 2: Convert to fraction form
    30,231.27/45,232.83 = 27,161.82/x
  3. Step 3: Cross multiply
    30,231.27x = 45,232.83 × 27,161.82
  4. Step 4: Simplify right side
    30,231.27x = 1,228,605,986.55
  5. Step 5: Solve for x
    x = 1,228,605,986.55/30,231.27
  6. Step 6: Final answer
    x = 40,640.24

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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.