Home / 54,617.78-81,946.26-21,361.71

Finding the Fourth Proportional to 54,617.78, 81,946.26 and 21,361.71

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Solution

The fourth proportional to 54,617.78, 81,946.26 and 21,361.71 is: 32,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,617.78 : 81,946.26 = 21,361.71 : x
  2. Step 2: Convert to fraction form
    54,617.78/81,946.26 = 21,361.71/x
  3. Step 3: Cross multiply
    54,617.78x = 81,946.26 × 21,361.71
  4. Step 4: Simplify right side
    54,617.78x = 1,750,512,241.70
  5. Step 5: Solve for x
    x = 1,750,512,241.70/54,617.78
  6. Step 6: Final answer
    x = 32,050.23

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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.