Home / 54,219.40-81,325.05-22,621.30

Finding the Fourth Proportional to 54,219.40, 81,325.05 and 22,621.30

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Solution

The fourth proportional to 54,219.40, 81,325.05 and 22,621.30 is: 33,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219.40 : 81,325.05 = 22,621.30 : x
  2. Step 2: Convert to fraction form
    54,219.40/81,325.05 = 22,621.30/x
  3. Step 3: Cross multiply
    54,219.40x = 81,325.05 × 22,621.30
  4. Step 4: Simplify right side
    54,219.40x = 1,839,678,353.57
  5. Step 5: Solve for x
    x = 1,839,678,353.57/54,219.40
  6. Step 6: Final answer
    x = 33,930.26

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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.