Home / 54,419.00-81,596.78-21,100.14

Finding the Fourth Proportional to 54,419.00, 81,596.78 and 21,100.14

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Solution

The fourth proportional to 54,419.00, 81,596.78 and 21,100.14 is: 31,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,419.00 : 81,596.78 = 21,100.14 : x
  2. Step 2: Convert to fraction form
    54,419.00/81,596.78 = 21,100.14/x
  3. Step 3: Cross multiply
    54,419.00x = 81,596.78 × 21,100.14
  4. Step 4: Simplify right side
    54,419.00x = 1,721,703,481.55
  5. Step 5: Solve for x
    x = 1,721,703,481.55/54,419.00
  6. Step 6: Final answer
    x = 31,637.91

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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.