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Finding the Fourth Proportional to 57,305.80, 85,885.80 and 27,659.80

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Solution

The fourth proportional to 57,305.80, 85,885.80 and 27,659.80 is: 41,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,305.80 : 85,885.80 = 27,659.80 : x
  2. Step 2: Convert to fraction form
    57,305.80/85,885.80 = 27,659.80/x
  3. Step 3: Cross multiply
    57,305.80x = 85,885.80 × 27,659.80
  4. Step 4: Simplify right side
    57,305.80x = 2,375,584,050.84
  5. Step 5: Solve for x
    x = 2,375,584,050.84/57,305.80
  6. Step 6: Final answer
    x = 41,454.51

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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.