Home / 34,789.20-52,183.80-33,428.40

Finding the Fourth Proportional to 34,789.20, 52,183.80 and 33,428.40

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Solution

The fourth proportional to 34,789.20, 52,183.80 and 33,428.40 is: 50,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,789.20 : 52,183.80 = 33,428.40 : x
  2. Step 2: Convert to fraction form
    34,789.20/52,183.80 = 33,428.40/x
  3. Step 3: Cross multiply
    34,789.20x = 52,183.80 × 33,428.40
  4. Step 4: Simplify right side
    34,789.20x = 1,744,420,939.92
  5. Step 5: Solve for x
    x = 1,744,420,939.92/34,789.20
  6. Step 6: Final answer
    x = 50,142.60

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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.