Home / 31,863.26-43,973.44-21,089.57

Finding the Fourth Proportional to 31,863.26, 43,973.44 and 21,089.57

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Solution

The fourth proportional to 31,863.26, 43,973.44 and 21,089.57 is: 29,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,863.26 : 43,973.44 = 21,089.57 : x
  2. Step 2: Convert to fraction form
    31,863.26/43,973.44 = 21,089.57/x
  3. Step 3: Cross multiply
    31,863.26x = 43,973.44 × 21,089.57
  4. Step 4: Simplify right side
    31,863.26x = 927,380,912.42
  5. Step 5: Solve for x
    x = 927,380,912.42/31,863.26
  6. Step 6: Final answer
    x = 29,105.03

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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.