Home / 54,650.35-82,001.04-21,361.78

Finding the Fourth Proportional to 54,650.35, 82,001.04 and 21,361.78

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Solution

The fourth proportional to 54,650.35, 82,001.04 and 21,361.78 is: 32,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,650.35 : 82,001.04 = 21,361.78 : x
  2. Step 2: Convert to fraction form
    54,650.35/82,001.04 = 21,361.78/x
  3. Step 3: Cross multiply
    54,650.35x = 82,001.04 × 21,361.78
  4. Step 4: Simplify right side
    54,650.35x = 1,751,688,176.25
  5. Step 5: Solve for x
    x = 1,751,688,176.25/54,650.35
  6. Step 6: Final answer
    x = 32,052.64

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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.