Home / 29,230.20-43,845.30-20,287.80

Finding the Fourth Proportional to 29,230.20, 43,845.30 and 20,287.80

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Solution

The fourth proportional to 29,230.20, 43,845.30 and 20,287.80 is: 30,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.20 : 43,845.30 = 20,287.80 : x
  2. Step 2: Convert to fraction form
    29,230.20/43,845.30 = 20,287.80/x
  3. Step 3: Cross multiply
    29,230.20x = 43,845.30 × 20,287.80
  4. Step 4: Simplify right side
    29,230.20x = 889,524,677.34
  5. Step 5: Solve for x
    x = 889,524,677.34/29,230.20
  6. Step 6: Final answer
    x = 30,431.70

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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.