Home / 45,481.58-68,224.89-13,896.44

Finding the Fourth Proportional to 45,481.58, 68,224.89 and 13,896.44

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Solution

The fourth proportional to 45,481.58, 68,224.89 and 13,896.44 is: 20,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481.58 : 68,224.89 = 13,896.44 : x
  2. Step 2: Convert to fraction form
    45,481.58/68,224.89 = 13,896.44/x
  3. Step 3: Cross multiply
    45,481.58x = 68,224.89 × 13,896.44
  4. Step 4: Simplify right side
    45,481.58x = 948,083,090.39
  5. Step 5: Solve for x
    x = 948,083,090.39/45,481.58
  6. Step 6: Final answer
    x = 20,845.43

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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.