Home / 34,269.61-51,408.52-12,078.39

Finding the Fourth Proportional to 34,269.61, 51,408.52 and 12,078.39

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Solution

The fourth proportional to 34,269.61, 51,408.52 and 12,078.39 is: 18,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,269.61 : 51,408.52 = 12,078.39 : x
  2. Step 2: Convert to fraction form
    34,269.61/51,408.52 = 12,078.39/x
  3. Step 3: Cross multiply
    34,269.61x = 51,408.52 × 12,078.39
  4. Step 4: Simplify right side
    34,269.61x = 620,932,153.88
  5. Step 5: Solve for x
    x = 620,932,153.88/34,269.61
  6. Step 6: Final answer
    x = 18,119.03

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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.