Home / 54,891.06-82,318.14-21,602.40

Finding the Fourth Proportional to 54,891.06, 82,318.14 and 21,602.40

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Solution

The fourth proportional to 54,891.06, 82,318.14 and 21,602.40 is: 32,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,891.06 : 82,318.14 = 21,602.40 : x
  2. Step 2: Convert to fraction form
    54,891.06/82,318.14 = 21,602.40/x
  3. Step 3: Cross multiply
    54,891.06x = 82,318.14 × 21,602.40
  4. Step 4: Simplify right side
    54,891.06x = 1,778,269,387.54
  5. Step 5: Solve for x
    x = 1,778,269,387.54/54,891.06
  6. Step 6: Final answer
    x = 32,396.34

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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.