Home / 54,388.32-81,583.38-14,945.19

Finding the Fourth Proportional to 54,388.32, 81,583.38 and 14,945.19

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Solution

The fourth proportional to 54,388.32, 81,583.38 and 14,945.19 is: 22,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,388.32 : 81,583.38 = 14,945.19 : x
  2. Step 2: Convert to fraction form
    54,388.32/81,583.38 = 14,945.19/x
  3. Step 3: Cross multiply
    54,388.32x = 81,583.38 × 14,945.19
  4. Step 4: Simplify right side
    54,388.32x = 1,219,279,114.94
  5. Step 5: Solve for x
    x = 1,219,279,114.94/54,388.32
  6. Step 6: Final answer
    x = 22,418.03

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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.