Home / 39,584.22-54,624.75-21,679.37

Finding the Fourth Proportional to 39,584.22, 54,624.75 and 21,679.37

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Solution

The fourth proportional to 39,584.22, 54,624.75 and 21,679.37 is: 29,916.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,584.22 : 54,624.75 = 21,679.37 : x
  2. Step 2: Convert to fraction form
    39,584.22/54,624.75 = 21,679.37/x
  3. Step 3: Cross multiply
    39,584.22x = 54,624.75 × 21,679.37
  4. Step 4: Simplify right side
    39,584.22x = 1,184,230,166.41
  5. Step 5: Solve for x
    x = 1,184,230,166.41/39,584.22
  6. Step 6: Final answer
    x = 29,916.73

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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.