Home / 54,643.24-81,916.23-21,355.73

Finding the Fourth Proportional to 54,643.24, 81,916.23 and 21,355.73

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Solution

The fourth proportional to 54,643.24, 81,916.23 and 21,355.73 is: 32,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,643.24 : 81,916.23 = 21,355.73 : x
  2. Step 2: Convert to fraction form
    54,643.24/81,916.23 = 21,355.73/x
  3. Step 3: Cross multiply
    54,643.24x = 81,916.23 × 21,355.73
  4. Step 4: Simplify right side
    54,643.24x = 1,749,380,890.50
  5. Step 5: Solve for x
    x = 1,749,380,890.50/54,643.24
  6. Step 6: Final answer
    x = 32,014.59

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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.