Home / 54,072.35-81,106.07-18,536.82

Finding the Fourth Proportional to 54,072.35, 81,106.07 and 18,536.82

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Solution

The fourth proportional to 54,072.35, 81,106.07 and 18,536.82 is: 27,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072.35 : 81,106.07 = 18,536.82 : x
  2. Step 2: Convert to fraction form
    54,072.35/81,106.07 = 18,536.82/x
  3. Step 3: Cross multiply
    54,072.35x = 81,106.07 × 18,536.82
  4. Step 4: Simplify right side
    54,072.35x = 1,503,448,620.50
  5. Step 5: Solve for x
    x = 1,503,448,620.50/54,072.35
  6. Step 6: Final answer
    x = 27,804.39

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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.