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Finding the Fourth Proportional to 57,990.94, 80,027.72 and 33,806.23

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Solution

The fourth proportional to 57,990.94, 80,027.72 and 33,806.23 is: 46,652.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990.94 : 80,027.72 = 33,806.23 : x
  2. Step 2: Convert to fraction form
    57,990.94/80,027.72 = 33,806.23/x
  3. Step 3: Cross multiply
    57,990.94x = 80,027.72 × 33,806.23
  4. Step 4: Simplify right side
    57,990.94x = 2,705,435,508.70
  5. Step 5: Solve for x
    x = 2,705,435,508.70/57,990.94
  6. Step 6: Final answer
    x = 46,652.73

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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.