Home / 54,438.76-81,499.68-40,460.80

Finding the Fourth Proportional to 54,438.76, 81,499.68 and 40,460.80

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Solution

The fourth proportional to 54,438.76, 81,499.68 and 40,460.80 is: 60,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438.76 : 81,499.68 = 40,460.80 : x
  2. Step 2: Convert to fraction form
    54,438.76/81,499.68 = 40,460.80/x
  3. Step 3: Cross multiply
    54,438.76x = 81,499.68 × 40,460.80
  4. Step 4: Simplify right side
    54,438.76x = 3,297,542,252.54
  5. Step 5: Solve for x
    x = 3,297,542,252.54/54,438.76
  6. Step 6: Final answer
    x = 60,573.43

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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.