Home / 43,611.20-65,449.92-31,954.88

Finding the Fourth Proportional to 43,611.20, 65,449.92 and 31,954.88

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Solution

The fourth proportional to 43,611.20, 65,449.92 and 31,954.88 is: 47,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.20 : 65,449.92 = 31,954.88 : x
  2. Step 2: Convert to fraction form
    43,611.20/65,449.92 = 31,954.88/x
  3. Step 3: Cross multiply
    43,611.20x = 65,449.92 × 31,954.88
  4. Step 4: Simplify right side
    43,611.20x = 2,091,444,339.61
  5. Step 5: Solve for x
    x = 2,091,444,339.61/43,611.20
  6. Step 6: Final answer
    x = 47,956.59

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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.