Home / 34,291.30-51,423.90-12,100.54

Finding the Fourth Proportional to 34,291.30, 51,423.90 and 12,100.54

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Solution

The fourth proportional to 34,291.30, 51,423.90 and 12,100.54 is: 18,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,291.30 : 51,423.90 = 12,100.54 : x
  2. Step 2: Convert to fraction form
    34,291.30/51,423.90 = 12,100.54/x
  3. Step 3: Cross multiply
    34,291.30x = 51,423.90 × 12,100.54
  4. Step 4: Simplify right side
    34,291.30x = 622,256,958.91
  5. Step 5: Solve for x
    x = 622,256,958.91/34,291.30
  6. Step 6: Final answer
    x = 18,146.20

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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.