Home / 54,758.15-82,171.78-21,477.33

Finding the Fourth Proportional to 54,758.15, 82,171.78 and 21,477.33

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Solution

The fourth proportional to 54,758.15, 82,171.78 and 21,477.33 is: 32,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,758.15 : 82,171.78 = 21,477.33 : x
  2. Step 2: Convert to fraction form
    54,758.15/82,171.78 = 21,477.33/x
  3. Step 3: Cross multiply
    54,758.15x = 82,171.78 × 21,477.33
  4. Step 4: Simplify right side
    54,758.15x = 1,764,830,435.75
  5. Step 5: Solve for x
    x = 1,764,830,435.75/54,758.15
  6. Step 6: Final answer
    x = 32,229.55

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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.