Home / 36,150.08-54,211.64-12,451

Finding the Fourth Proportional to 36,150.08, 54,211.64 and 12,451

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Solution

The fourth proportional to 36,150.08, 54,211.64 and 12,451 is: 18,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,150.08 : 54,211.64 = 12,451 : x
  2. Step 2: Convert to fraction form
    36,150.08/54,211.64 = 12,451/x
  3. Step 3: Cross multiply
    36,150.08x = 54,211.64 × 12,451
  4. Step 4: Simplify right side
    36,150.08x = 674,989,129.64
  5. Step 5: Solve for x
    x = 674,989,129.64/36,150.08
  6. Step 6: Final answer
    x = 18,671.86

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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.