Home / 29,156.22-43,736.94-12,512.52

Finding the Fourth Proportional to 29,156.22, 43,736.94 and 12,512.52

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Solution

The fourth proportional to 29,156.22, 43,736.94 and 12,512.52 is: 18,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156.22 : 43,736.94 = 12,512.52 : x
  2. Step 2: Convert to fraction form
    29,156.22/43,736.94 = 12,512.52/x
  3. Step 3: Cross multiply
    29,156.22x = 43,736.94 × 12,512.52
  4. Step 4: Simplify right side
    29,156.22x = 547,259,336.49
  5. Step 5: Solve for x
    x = 547,259,336.49/29,156.22
  6. Step 6: Final answer
    x = 18,769.90

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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.