Home / 36,135.58-54,189.90-12,436.50

Finding the Fourth Proportional to 36,135.58, 54,189.90 and 12,436.50

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Solution

The fourth proportional to 36,135.58, 54,189.90 and 12,436.50 is: 18,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.58 : 54,189.90 = 12,436.50 : x
  2. Step 2: Convert to fraction form
    36,135.58/54,189.90 = 12,436.50/x
  3. Step 3: Cross multiply
    36,135.58x = 54,189.90 × 12,436.50
  4. Step 4: Simplify right side
    36,135.58x = 673,932,691.35
  5. Step 5: Solve for x
    x = 673,932,691.35/36,135.58
  6. Step 6: Final answer
    x = 18,650.11

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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.