Home / 54,602.25-81,908.97-20,896.62

Finding the Fourth Proportional to 54,602.25, 81,908.97 and 20,896.62

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Solution

The fourth proportional to 54,602.25, 81,908.97 and 20,896.62 is: 31,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,602.25 : 81,908.97 = 20,896.62 : x
  2. Step 2: Convert to fraction form
    54,602.25/81,908.97 = 20,896.62/x
  3. Step 3: Cross multiply
    54,602.25x = 81,908.97 × 20,896.62
  4. Step 4: Simplify right side
    54,602.25x = 1,711,620,825.45
  5. Step 5: Solve for x
    x = 1,711,620,825.45/54,602.25
  6. Step 6: Final answer
    x = 31,347.07

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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.