Home / 34,311.19-51,431.10-13,265.69

Finding the Fourth Proportional to 34,311.19, 51,431.10 and 13,265.69

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Solution

The fourth proportional to 34,311.19, 51,431.10 and 13,265.69 is: 19,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,311.19 : 51,431.10 = 13,265.69 : x
  2. Step 2: Convert to fraction form
    34,311.19/51,431.10 = 13,265.69/x
  3. Step 3: Cross multiply
    34,311.19x = 51,431.10 × 13,265.69
  4. Step 4: Simplify right side
    34,311.19x = 682,268,771.80
  5. Step 5: Solve for x
    x = 682,268,771.80/34,311.19
  6. Step 6: Final answer
    x = 19,884.73

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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.