Home / 54,948.82-82,457.07-21,663.22

Finding the Fourth Proportional to 54,948.82, 82,457.07 and 21,663.22

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Solution

The fourth proportional to 54,948.82, 82,457.07 and 21,663.22 is: 32,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,948.82 : 82,457.07 = 21,663.22 : x
  2. Step 2: Convert to fraction form
    54,948.82/82,457.07 = 21,663.22/x
  3. Step 3: Cross multiply
    54,948.82x = 82,457.07 × 21,663.22
  4. Step 4: Simplify right side
    54,948.82x = 1,786,285,647.97
  5. Step 5: Solve for x
    x = 1,786,285,647.97/54,948.82
  6. Step 6: Final answer
    x = 32,508.17

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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.