Home / 40,219.11-55,499.72-22,313.52

Finding the Fourth Proportional to 40,219.11, 55,499.72 and 22,313.52

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Solution

The fourth proportional to 40,219.11, 55,499.72 and 22,313.52 is: 30,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,219.11 : 55,499.72 = 22,313.52 : x
  2. Step 2: Convert to fraction form
    40,219.11/55,499.72 = 22,313.52/x
  3. Step 3: Cross multiply
    40,219.11x = 55,499.72 × 22,313.52
  4. Step 4: Simplify right side
    40,219.11x = 1,238,394,000.65
  5. Step 5: Solve for x
    x = 1,238,394,000.65/40,219.11
  6. Step 6: Final answer
    x = 30,791.18

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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.