Home / 53,439.21-80,231.72-27,162.54

Finding the Fourth Proportional to 53,439.21, 80,231.72 and 27,162.54

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Solution

The fourth proportional to 53,439.21, 80,231.72 and 27,162.54 is: 40,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,439.21 : 80,231.72 = 27,162.54 : x
  2. Step 2: Convert to fraction form
    53,439.21/80,231.72 = 27,162.54/x
  3. Step 3: Cross multiply
    53,439.21x = 80,231.72 × 27,162.54
  4. Step 4: Simplify right side
    53,439.21x = 2,179,297,167.96
  5. Step 5: Solve for x
    x = 2,179,297,167.96/53,439.21
  6. Step 6: Final answer
    x = 40,780.86

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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.