Home / 54,645.82-75,410.49-30,772.78

Finding the Fourth Proportional to 54,645.82, 75,410.49 and 30,772.78

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Solution

The fourth proportional to 54,645.82, 75,410.49 and 30,772.78 is: 42,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.82 : 75,410.49 = 30,772.78 : x
  2. Step 2: Convert to fraction form
    54,645.82/75,410.49 = 30,772.78/x
  3. Step 3: Cross multiply
    54,645.82x = 75,410.49 × 30,772.78
  4. Step 4: Simplify right side
    54,645.82x = 2,320,590,418.46
  5. Step 5: Solve for x
    x = 2,320,590,418.46/54,645.82
  6. Step 6: Final answer
    x = 42,466.02

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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.