Home / 54,583.44-81,857.74-21,295.40

Finding the Fourth Proportional to 54,583.44, 81,857.74 and 21,295.40

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Solution

The fourth proportional to 54,583.44, 81,857.74 and 21,295.40 is: 31,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,583.44 : 81,857.74 = 21,295.40 : x
  2. Step 2: Convert to fraction form
    54,583.44/81,857.74 = 21,295.40/x
  3. Step 3: Cross multiply
    54,583.44x = 81,857.74 × 21,295.40
  4. Step 4: Simplify right side
    54,583.44x = 1,743,193,316.40
  5. Step 5: Solve for x
    x = 1,743,193,316.40/54,583.44
  6. Step 6: Final answer
    x = 31,936.30

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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.