Home / 57,173.49-85,789.50-27,221.61

Finding the Fourth Proportional to 57,173.49, 85,789.50 and 27,221.61

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Solution

The fourth proportional to 57,173.49, 85,789.50 and 27,221.61 is: 40,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,173.49 : 85,789.50 = 27,221.61 : x
  2. Step 2: Convert to fraction form
    57,173.49/85,789.50 = 27,221.61/x
  3. Step 3: Cross multiply
    57,173.49x = 85,789.50 × 27,221.61
  4. Step 4: Simplify right side
    57,173.49x = 2,335,328,311.10
  5. Step 5: Solve for x
    x = 2,335,328,311.10/57,173.49
  6. Step 6: Final answer
    x = 40,846.35

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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.