Home / 33,279.22-49,889.64-12,517.30

Finding the Fourth Proportional to 33,279.22, 49,889.64 and 12,517.30

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Solution

The fourth proportional to 33,279.22, 49,889.64 and 12,517.30 is: 18,764.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.22 : 49,889.64 = 12,517.30 : x
  2. Step 2: Convert to fraction form
    33,279.22/49,889.64 = 12,517.30/x
  3. Step 3: Cross multiply
    33,279.22x = 49,889.64 × 12,517.30
  4. Step 4: Simplify right side
    33,279.22x = 624,483,590.77
  5. Step 5: Solve for x
    x = 624,483,590.77/33,279.22
  6. Step 6: Final answer
    x = 18,764.97

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1.5x scale

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.