Home / 56,687.90-85,033.25-27,108.86

Finding the Fourth Proportional to 56,687.90, 85,033.25 and 27,108.86

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Solution

The fourth proportional to 56,687.90, 85,033.25 and 27,108.86 is: 40,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,687.90 : 85,033.25 = 27,108.86 : x
  2. Step 2: Convert to fraction form
    56,687.90/85,033.25 = 27,108.86/x
  3. Step 3: Cross multiply
    56,687.90x = 85,033.25 × 27,108.86
  4. Step 4: Simplify right side
    56,687.90x = 2,305,154,469.60
  5. Step 5: Solve for x
    x = 2,305,154,469.60/56,687.90
  6. Step 6: Final answer
    x = 40,663.96

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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.