Home / 54,957.26-82,380.48-21,664.43

Finding the Fourth Proportional to 54,957.26, 82,380.48 and 21,664.43

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Solution

The fourth proportional to 54,957.26, 82,380.48 and 21,664.43 is: 32,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,957.26 : 82,380.48 = 21,664.43 : x
  2. Step 2: Convert to fraction form
    54,957.26/82,380.48 = 21,664.43/x
  3. Step 3: Cross multiply
    54,957.26x = 82,380.48 × 21,664.43
  4. Step 4: Simplify right side
    54,957.26x = 1,784,725,730.42
  5. Step 5: Solve for x
    x = 1,784,725,730.42/54,957.26
  6. Step 6: Final answer
    x = 32,474.80

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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.