Home / 39,767.73-54,879.50-21,863.04

Finding the Fourth Proportional to 39,767.73, 54,879.50 and 21,863.04

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Solution

The fourth proportional to 39,767.73, 54,879.50 and 21,863.04 is: 30,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,767.73 : 54,879.50 = 21,863.04 : x
  2. Step 2: Convert to fraction form
    39,767.73/54,879.50 = 21,863.04/x
  3. Step 3: Cross multiply
    39,767.73x = 54,879.50 × 21,863.04
  4. Step 4: Simplify right side
    39,767.73x = 1,199,832,594.36
  5. Step 5: Solve for x
    x = 1,199,832,594.36/39,767.73
  6. Step 6: Final answer
    x = 30,171.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.