Home / 45,093.72-67,668.66-21,722.52

Finding the Fourth Proportional to 45,093.72, 67,668.66 and 21,722.52

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Solution

The fourth proportional to 45,093.72, 67,668.66 and 21,722.52 is: 32,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,093.72 : 67,668.66 = 21,722.52 : x
  2. Step 2: Convert to fraction form
    45,093.72/67,668.66 = 21,722.52/x
  3. Step 3: Cross multiply
    45,093.72x = 67,668.66 × 21,722.52
  4. Step 4: Simplify right side
    45,093.72x = 1,469,933,820.22
  5. Step 5: Solve for x
    x = 1,469,933,820.22/45,093.72
  6. Step 6: Final answer
    x = 32,597.31

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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.