Home / 54,166.43-81,241.41-20,881.64

Finding the Fourth Proportional to 54,166.43, 81,241.41 and 20,881.64

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Solution

The fourth proportional to 54,166.43, 81,241.41 and 20,881.64 is: 31,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,166.43 : 81,241.41 = 20,881.64 : x
  2. Step 2: Convert to fraction form
    54,166.43/81,241.41 = 20,881.64/x
  3. Step 3: Cross multiply
    54,166.43x = 81,241.41 × 20,881.64
  4. Step 4: Simplify right side
    54,166.43x = 1,696,453,876.71
  5. Step 5: Solve for x
    x = 1,696,453,876.71/54,166.43
  6. Step 6: Final answer
    x = 31,319.29

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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.