Home / 29,109.37-43,627.54-12,449.85

Finding the Fourth Proportional to 29,109.37, 43,627.54 and 12,449.85

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Solution

The fourth proportional to 29,109.37, 43,627.54 and 12,449.85 is: 18,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.37 : 43,627.54 = 12,449.85 : x
  2. Step 2: Convert to fraction form
    29,109.37/43,627.54 = 12,449.85/x
  3. Step 3: Cross multiply
    29,109.37x = 43,627.54 × 12,449.85
  4. Step 4: Simplify right side
    29,109.37x = 543,156,328.87
  5. Step 5: Solve for x
    x = 543,156,328.87/29,109.37
  6. Step 6: Final answer
    x = 18,659.16

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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.