Home / 34,494.89-51,728.97-13,431.92

Finding the Fourth Proportional to 34,494.89, 51,728.97 and 13,431.92

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Solution

The fourth proportional to 34,494.89, 51,728.97 and 13,431.92 is: 20,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,494.89 : 51,728.97 = 13,431.92 : x
  2. Step 2: Convert to fraction form
    34,494.89/51,728.97 = 13,431.92/x
  3. Step 3: Cross multiply
    34,494.89x = 51,728.97 × 13,431.92
  4. Step 4: Simplify right side
    34,494.89x = 694,819,386.72
  5. Step 5: Solve for x
    x = 694,819,386.72/34,494.89
  6. Step 6: Final answer
    x = 20,142.68

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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.