Home / 39,584.59-54,625.27-21,679.75

Finding the Fourth Proportional to 39,584.59, 54,625.27 and 21,679.75

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Solution

The fourth proportional to 39,584.59, 54,625.27 and 21,679.75 is: 29,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,584.59 : 54,625.27 = 21,679.75 : x
  2. Step 2: Convert to fraction form
    39,584.59/54,625.27 = 21,679.75/x
  3. Step 3: Cross multiply
    39,584.59x = 54,625.27 × 21,679.75
  4. Step 4: Simplify right side
    39,584.59x = 1,184,261,869.96
  5. Step 5: Solve for x
    x = 1,184,261,869.96/39,584.59
  6. Step 6: Final answer
    x = 29,917.24

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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.