Home / 29,650.24-40,917.72-20,221.84

Finding the Fourth Proportional to 29,650.24, 40,917.72 and 20,221.84

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Solution

The fourth proportional to 29,650.24, 40,917.72 and 20,221.84 is: 27,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,650.24 : 40,917.72 = 20,221.84 : x
  2. Step 2: Convert to fraction form
    29,650.24/40,917.72 = 20,221.84/x
  3. Step 3: Cross multiply
    29,650.24x = 40,917.72 × 20,221.84
  4. Step 4: Simplify right side
    29,650.24x = 827,431,587.00
  5. Step 5: Solve for x
    x = 827,431,587.00/29,650.24
  6. Step 6: Final answer
    x = 27,906.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.