Home / 33,400.08-50,080.68-12,625.20

Finding the Fourth Proportional to 33,400.08, 50,080.68 and 12,625.20

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Solution

The fourth proportional to 33,400.08, 50,080.68 and 12,625.20 is: 18,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,400.08 : 50,080.68 = 12,625.20 : x
  2. Step 2: Convert to fraction form
    33,400.08/50,080.68 = 12,625.20/x
  3. Step 3: Cross multiply
    33,400.08x = 50,080.68 × 12,625.20
  4. Step 4: Simplify right side
    33,400.08x = 632,278,601.14
  5. Step 5: Solve for x
    x = 632,278,601.14/33,400.08
  6. Step 6: Final answer
    x = 18,930.45

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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.