Home / 29,659.05-44,449.70-12,108.78

Finding the Fourth Proportional to 29,659.05, 44,449.70 and 12,108.78

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Solution

The fourth proportional to 29,659.05, 44,449.70 and 12,108.78 is: 18,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,659.05 : 44,449.70 = 12,108.78 : x
  2. Step 2: Convert to fraction form
    29,659.05/44,449.70 = 12,108.78/x
  3. Step 3: Cross multiply
    29,659.05x = 44,449.70 × 12,108.78
  4. Step 4: Simplify right side
    29,659.05x = 538,231,577.82
  5. Step 5: Solve for x
    x = 538,231,577.82/29,659.05
  6. Step 6: Final answer
    x = 18,147.30

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1.5x scale

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.