Home / 54,135.46-81,200.49-19,072.18

Finding the Fourth Proportional to 54,135.46, 81,200.49 and 19,072.18

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Solution

The fourth proportional to 54,135.46, 81,200.49 and 19,072.18 is: 28,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.46 : 81,200.49 = 19,072.18 : x
  2. Step 2: Convert to fraction form
    54,135.46/81,200.49 = 19,072.18/x
  3. Step 3: Cross multiply
    54,135.46x = 81,200.49 × 19,072.18
  4. Step 4: Simplify right side
    54,135.46x = 1,548,670,361.37
  5. Step 5: Solve for x
    x = 1,548,670,361.37/54,135.46
  6. Step 6: Final answer
    x = 28,607.32

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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.