Home / 38,481.10-57,721.65-21,892.30

Finding the Fourth Proportional to 38,481.10, 57,721.65 and 21,892.30

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Solution

The fourth proportional to 38,481.10, 57,721.65 and 21,892.30 is: 32,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.10 : 57,721.65 = 21,892.30 : x
  2. Step 2: Convert to fraction form
    38,481.10/57,721.65 = 21,892.30/x
  3. Step 3: Cross multiply
    38,481.10x = 57,721.65 × 21,892.30
  4. Step 4: Simplify right side
    38,481.10x = 1,263,659,678.30
  5. Step 5: Solve for x
    x = 1,263,659,678.30/38,481.10
  6. Step 6: Final answer
    x = 32,838.45

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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.