Home / 31,489.22-43,453.44-18,059.82

Finding the Fourth Proportional to 31,489.22, 43,453.44 and 18,059.82

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Solution

The fourth proportional to 31,489.22, 43,453.44 and 18,059.82 is: 24,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,489.22 : 43,453.44 = 18,059.82 : x
  2. Step 2: Convert to fraction form
    31,489.22/43,453.44 = 18,059.82/x
  3. Step 3: Cross multiply
    31,489.22x = 43,453.44 × 18,059.82
  4. Step 4: Simplify right side
    31,489.22x = 784,761,304.78
  5. Step 5: Solve for x
    x = 784,761,304.78/31,489.22
  6. Step 6: Final answer
    x = 24,921.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.