Home / 54,578.32-81,867.48-15,135.44

Finding the Fourth Proportional to 54,578.32, 81,867.48 and 15,135.44

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Solution

The fourth proportional to 54,578.32, 81,867.48 and 15,135.44 is: 22,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.32 : 81,867.48 = 15,135.44 : x
  2. Step 2: Convert to fraction form
    54,578.32/81,867.48 = 15,135.44/x
  3. Step 3: Cross multiply
    54,578.32x = 81,867.48 × 15,135.44
  4. Step 4: Simplify right side
    54,578.32x = 1,239,100,331.49
  5. Step 5: Solve for x
    x = 1,239,100,331.49/54,578.32
  6. Step 6: Final answer
    x = 22,703.16

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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.