Home / 29,165.68-43,682.86-20,439.55

Finding the Fourth Proportional to 29,165.68, 43,682.86 and 20,439.55

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Solution

The fourth proportional to 29,165.68, 43,682.86 and 20,439.55 is: 30,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,165.68 : 43,682.86 = 20,439.55 : x
  2. Step 2: Convert to fraction form
    29,165.68/43,682.86 = 20,439.55/x
  3. Step 3: Cross multiply
    29,165.68x = 43,682.86 × 20,439.55
  4. Step 4: Simplify right side
    29,165.68x = 892,858,001.11
  5. Step 5: Solve for x
    x = 892,858,001.11/29,165.68
  6. Step 6: Final answer
    x = 30,613.31

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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.