Home / 54,915.30-82,363.38-21,644.64

Finding the Fourth Proportional to 54,915.30, 82,363.38 and 21,644.64

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Solution

The fourth proportional to 54,915.30, 82,363.38 and 21,644.64 is: 32,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915.30 : 82,363.38 = 21,644.64 : x
  2. Step 2: Convert to fraction form
    54,915.30/82,363.38 = 21,644.64/x
  3. Step 3: Cross multiply
    54,915.30x = 82,363.38 × 21,644.64
  4. Step 4: Simplify right side
    54,915.30x = 1,782,725,709.28
  5. Step 5: Solve for x
    x = 1,782,725,709.28/54,915.30
  6. Step 6: Final answer
    x = 32,463.19

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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.