Home / 33,674.24-50,455.52-20,486.72

Finding the Fourth Proportional to 33,674.24, 50,455.52 and 20,486.72

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Solution

The fourth proportional to 33,674.24, 50,455.52 and 20,486.72 is: 30,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,674.24 : 50,455.52 = 20,486.72 : x
  2. Step 2: Convert to fraction form
    33,674.24/50,455.52 = 20,486.72/x
  3. Step 3: Cross multiply
    33,674.24x = 50,455.52 × 20,486.72
  4. Step 4: Simplify right side
    33,674.24x = 1,033,668,110.69
  5. Step 5: Solve for x
    x = 1,033,668,110.69/33,674.24
  6. Step 6: Final answer
    x = 30,696.11

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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.