Home / 45,106.92-67,662-13,517.33

Finding the Fourth Proportional to 45,106.92, 67,662 and 13,517.33

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Solution

The fourth proportional to 45,106.92, 67,662 and 13,517.33 is: 20,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,106.92 : 67,662 = 13,517.33 : x
  2. Step 2: Convert to fraction form
    45,106.92/67,662 = 13,517.33/x
  3. Step 3: Cross multiply
    45,106.92x = 67,662 × 13,517.33
  4. Step 4: Simplify right side
    45,106.92x = 914,609,244.15
  5. Step 5: Solve for x
    x = 914,609,244.15/45,106.92
  6. Step 6: Final answer
    x = 20,276.47

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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.