Home / 39,722.30-59,546.34-13,408.64

Finding the Fourth Proportional to 39,722.30, 59,546.34 and 13,408.64

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Solution

The fourth proportional to 39,722.30, 59,546.34 and 13,408.64 is: 20,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.30 : 59,546.34 = 13,408.64 : x
  2. Step 2: Convert to fraction form
    39,722.30/59,546.34 = 13,408.64/x
  3. Step 3: Cross multiply
    39,722.30x = 59,546.34 × 13,408.64
  4. Step 4: Simplify right side
    39,722.30x = 798,435,436.38
  5. Step 5: Solve for x
    x = 798,435,436.38/39,722.30
  6. Step 6: Final answer
    x = 20,100.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.