Home / 36,481.39-54,689.78-14,310.68

Finding the Fourth Proportional to 36,481.39, 54,689.78 and 14,310.68

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Solution

The fourth proportional to 36,481.39, 54,689.78 and 14,310.68 is: 21,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,481.39 : 54,689.78 = 14,310.68 : x
  2. Step 2: Convert to fraction form
    36,481.39/54,689.78 = 14,310.68/x
  3. Step 3: Cross multiply
    36,481.39x = 54,689.78 × 14,310.68
  4. Step 4: Simplify right side
    36,481.39x = 782,647,703.18
  5. Step 5: Solve for x
    x = 782,647,703.18/36,481.39
  6. Step 6: Final answer
    x = 21,453.34

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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.