Home / 54,599.24-81,850.11-21,311.54

Finding the Fourth Proportional to 54,599.24, 81,850.11 and 21,311.54

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Solution

The fourth proportional to 54,599.24, 81,850.11 and 21,311.54 is: 31,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,599.24 : 81,850.11 = 21,311.54 : x
  2. Step 2: Convert to fraction form
    54,599.24/81,850.11 = 21,311.54/x
  3. Step 3: Cross multiply
    54,599.24x = 81,850.11 × 21,311.54
  4. Step 4: Simplify right side
    54,599.24x = 1,744,351,484.02
  5. Step 5: Solve for x
    x = 1,744,351,484.02/54,599.24
  6. Step 6: Final answer
    x = 31,948.28

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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.