Home / 39,580.25-54,619.52-21,674.79

Finding the Fourth Proportional to 39,580.25, 54,619.52 and 21,674.79

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Solution

The fourth proportional to 39,580.25, 54,619.52 and 21,674.79 is: 29,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,580.25 : 54,619.52 = 21,674.79 : x
  2. Step 2: Convert to fraction form
    39,580.25/54,619.52 = 21,674.79/x
  3. Step 3: Cross multiply
    39,580.25x = 54,619.52 × 21,674.79
  4. Step 4: Simplify right side
    39,580.25x = 1,183,866,517.53
  5. Step 5: Solve for x
    x = 1,183,866,517.53/39,580.25
  6. Step 6: Final answer
    x = 29,910.54

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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.