Home / 29,173.68-43,694.85-20,447.55

Finding the Fourth Proportional to 29,173.68, 43,694.85 and 20,447.55

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Solution

The fourth proportional to 29,173.68, 43,694.85 and 20,447.55 is: 30,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,173.68 : 43,694.85 = 20,447.55 : x
  2. Step 2: Convert to fraction form
    29,173.68/43,694.85 = 20,447.55/x
  3. Step 3: Cross multiply
    29,173.68x = 43,694.85 × 20,447.55
  4. Step 4: Simplify right side
    29,173.68x = 893,452,630.12
  5. Step 5: Solve for x
    x = 893,452,630.12/29,173.68
  6. Step 6: Final answer
    x = 30,625.30

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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.