Home / 45,286.76-67,908.29-18,984.44

Finding the Fourth Proportional to 45,286.76, 67,908.29 and 18,984.44

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Solution

The fourth proportional to 45,286.76, 67,908.29 and 18,984.44 is: 28,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,286.76 : 67,908.29 = 18,984.44 : x
  2. Step 2: Convert to fraction form
    45,286.76/67,908.29 = 18,984.44/x
  3. Step 3: Cross multiply
    45,286.76x = 67,908.29 × 18,984.44
  4. Step 4: Simplify right side
    45,286.76x = 1,289,200,422.54
  5. Step 5: Solve for x
    x = 1,289,200,422.54/45,286.76
  6. Step 6: Final answer
    x = 28,467.49

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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.