Home / 38,822.20-58,245.60-13,861.70

Finding the Fourth Proportional to 38,822.20, 58,245.60 and 13,861.70

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Solution

The fourth proportional to 38,822.20, 58,245.60 and 13,861.70 is: 20,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,822.20 : 58,245.60 = 13,861.70 : x
  2. Step 2: Convert to fraction form
    38,822.20/58,245.60 = 13,861.70/x
  3. Step 3: Cross multiply
    38,822.20x = 58,245.60 × 13,861.70
  4. Step 4: Simplify right side
    38,822.20x = 807,383,033.52
  5. Step 5: Solve for x
    x = 807,383,033.52/38,822.20
  6. Step 6: Final answer
    x = 20,796.94

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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.