Home / 54,450.68-81,655.02-21,166.29

Finding the Fourth Proportional to 54,450.68, 81,655.02 and 21,166.29

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Solution

The fourth proportional to 54,450.68, 81,655.02 and 21,166.29 is: 31,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.68 : 81,655.02 = 21,166.29 : x
  2. Step 2: Convert to fraction form
    54,450.68/81,655.02 = 21,166.29/x
  3. Step 3: Cross multiply
    54,450.68x = 81,655.02 × 21,166.29
  4. Step 4: Simplify right side
    54,450.68x = 1,728,333,833.28
  5. Step 5: Solve for x
    x = 1,728,333,833.28/54,450.68
  6. Step 6: Final answer
    x = 31,741.27

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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.