Home / 45,083.44-67,600.68-13,489.12

Finding the Fourth Proportional to 45,083.44, 67,600.68 and 13,489.12

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Solution

The fourth proportional to 45,083.44, 67,600.68 and 13,489.12 is: 20,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,083.44 : 67,600.68 = 13,489.12 : x
  2. Step 2: Convert to fraction form
    45,083.44/67,600.68 = 13,489.12/x
  3. Step 3: Cross multiply
    45,083.44x = 67,600.68 × 13,489.12
  4. Step 4: Simplify right side
    45,083.44x = 911,873,684.60
  5. Step 5: Solve for x
    x = 911,873,684.60/45,083.44
  6. Step 6: Final answer
    x = 20,226.36

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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.