Home / 45,236.49-67,833.17-20,276.75

Finding the Fourth Proportional to 45,236.49, 67,833.17 and 20,276.75

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Solution

The fourth proportional to 45,236.49, 67,833.17 and 20,276.75 is: 30,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,236.49 : 67,833.17 = 20,276.75 : x
  2. Step 2: Convert to fraction form
    45,236.49/67,833.17 = 20,276.75/x
  3. Step 3: Cross multiply
    45,236.49x = 67,833.17 × 20,276.75
  4. Step 4: Simplify right side
    45,236.49x = 1,375,435,789.25
  5. Step 5: Solve for x
    x = 1,375,435,789.25/45,236.49
  6. Step 6: Final answer
    x = 30,405.45

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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.