Home / 29,649.28-40,949.60-20,201.44

Finding the Fourth Proportional to 29,649.28, 40,949.60 and 20,201.44

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Solution

The fourth proportional to 29,649.28, 40,949.60 and 20,201.44 is: 27,900.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,649.28 : 40,949.60 = 20,201.44 : x
  2. Step 2: Convert to fraction form
    29,649.28/40,949.60 = 20,201.44/x
  3. Step 3: Cross multiply
    29,649.28x = 40,949.60 × 20,201.44
  4. Step 4: Simplify right side
    29,649.28x = 827,240,887.42
  5. Step 5: Solve for x
    x = 827,240,887.42/29,649.28
  6. Step 6: Final answer
    x = 27,900.88

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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.