Home / 54,450.72-75,142-30,577.41

Finding the Fourth Proportional to 54,450.72, 75,142 and 30,577.41

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Solution

The fourth proportional to 54,450.72, 75,142 and 30,577.41 is: 42,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.72 : 75,142 = 30,577.41 : x
  2. Step 2: Convert to fraction form
    54,450.72/75,142 = 30,577.41/x
  3. Step 3: Cross multiply
    54,450.72x = 75,142 × 30,577.41
  4. Step 4: Simplify right side
    54,450.72x = 2,297,647,742.22
  5. Step 5: Solve for x
    x = 2,297,647,742.22/54,450.72
  6. Step 6: Final answer
    x = 42,196.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.