Home / 30,219.20-41,694-19,034.72

Finding the Fourth Proportional to 30,219.20, 41,694 and 19,034.72

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Solution

The fourth proportional to 30,219.20, 41,694 and 19,034.72 is: 26,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.20 : 41,694 = 19,034.72 : x
  2. Step 2: Convert to fraction form
    30,219.20/41,694 = 19,034.72/x
  3. Step 3: Cross multiply
    30,219.20x = 41,694 × 19,034.72
  4. Step 4: Simplify right side
    30,219.20x = 793,633,615.68
  5. Step 5: Solve for x
    x = 793,633,615.68/30,219.20
  6. Step 6: Final answer
    x = 26,262.56

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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.