Home / 54,767.34-82,090.76-21,481.20

Finding the Fourth Proportional to 54,767.34, 82,090.76 and 21,481.20

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Solution

The fourth proportional to 54,767.34, 82,090.76 and 21,481.20 is: 32,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,767.34 : 82,090.76 = 21,481.20 : x
  2. Step 2: Convert to fraction form
    54,767.34/82,090.76 = 21,481.20/x
  3. Step 3: Cross multiply
    54,767.34x = 82,090.76 × 21,481.20
  4. Step 4: Simplify right side
    54,767.34x = 1,763,407,926.31
  5. Step 5: Solve for x
    x = 1,763,407,926.31/54,767.34
  6. Step 6: Final answer
    x = 32,198.17

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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.