Home / 53,918.82-80,874.31-18,377.19

Finding the Fourth Proportional to 53,918.82, 80,874.31 and 18,377.19

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Solution

The fourth proportional to 53,918.82, 80,874.31 and 18,377.19 is: 27,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,918.82 : 80,874.31 = 18,377.19 : x
  2. Step 2: Convert to fraction form
    53,918.82/80,874.31 = 18,377.19/x
  3. Step 3: Cross multiply
    53,918.82x = 80,874.31 × 18,377.19
  4. Step 4: Simplify right side
    53,918.82x = 1,486,242,560.99
  5. Step 5: Solve for x
    x = 1,486,242,560.99/53,918.82
  6. Step 6: Final answer
    x = 27,564.45

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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.