Home / 51,742.26-71,391.66-31,591.80

Finding the Fourth Proportional to 51,742.26, 71,391.66 and 31,591.80

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Solution

The fourth proportional to 51,742.26, 71,391.66 and 31,591.80 is: 43,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742.26 : 71,391.66 = 31,591.80 : x
  2. Step 2: Convert to fraction form
    51,742.26/71,391.66 = 31,591.80/x
  3. Step 3: Cross multiply
    51,742.26x = 71,391.66 × 31,591.80
  4. Step 4: Simplify right side
    51,742.26x = 2,255,391,044.39
  5. Step 5: Solve for x
    x = 2,255,391,044.39/51,742.26
  6. Step 6: Final answer
    x = 43,588.96

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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.