Home / 39,584.94-54,626.91-21,679.62

Finding the Fourth Proportional to 39,584.94, 54,626.91 and 21,679.62

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Solution

The fourth proportional to 39,584.94, 54,626.91 and 21,679.62 is: 29,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,584.94 : 54,626.91 = 21,679.62 : x
  2. Step 2: Convert to fraction form
    39,584.94/54,626.91 = 21,679.62/x
  3. Step 3: Cross multiply
    39,584.94x = 54,626.91 × 21,679.62
  4. Step 4: Simplify right side
    39,584.94x = 1,184,290,650.57
  5. Step 5: Solve for x
    x = 1,184,290,650.57/39,584.94
  6. Step 6: Final answer
    x = 29,917.71

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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.