Home / 36,147.78-54,211.24-12,454.36

Finding the Fourth Proportional to 36,147.78, 54,211.24 and 12,454.36

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Solution

The fourth proportional to 36,147.78, 54,211.24 and 12,454.36 is: 18,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,147.78 : 54,211.24 = 12,454.36 : x
  2. Step 2: Convert to fraction form
    36,147.78/54,211.24 = 12,454.36/x
  3. Step 3: Cross multiply
    36,147.78x = 54,211.24 × 12,454.36
  4. Step 4: Simplify right side
    36,147.78x = 675,166,299.01
  5. Step 5: Solve for x
    x = 675,166,299.01/36,147.78
  6. Step 6: Final answer
    x = 18,677.95

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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.