Home / 54,682.20-82,032-19,153.44

Finding the Fourth Proportional to 54,682.20, 82,032 and 19,153.44

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Solution

The fourth proportional to 54,682.20, 82,032 and 19,153.44 is: 28,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682.20 : 82,032 = 19,153.44 : x
  2. Step 2: Convert to fraction form
    54,682.20/82,032 = 19,153.44/x
  3. Step 3: Cross multiply
    54,682.20x = 82,032 × 19,153.44
  4. Step 4: Simplify right side
    54,682.20x = 1,571,194,990.08
  5. Step 5: Solve for x
    x = 1,571,194,990.08/54,682.20
  6. Step 6: Final answer
    x = 28,733.21

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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.