Home / 53,428.20-80,142.30-33,793.80

Finding the Fourth Proportional to 53,428.20, 80,142.30 and 33,793.80

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Solution

The fourth proportional to 53,428.20, 80,142.30 and 33,793.80 is: 50,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428.20 : 80,142.30 = 33,793.80 : x
  2. Step 2: Convert to fraction form
    53,428.20/80,142.30 = 33,793.80/x
  3. Step 3: Cross multiply
    53,428.20x = 80,142.30 × 33,793.80
  4. Step 4: Simplify right side
    53,428.20x = 2,708,312,857.74
  5. Step 5: Solve for x
    x = 2,708,312,857.74/53,428.20
  6. Step 6: Final answer
    x = 50,690.70

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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.