Home / 51,789.67-71,475.22-31,658.33

Finding the Fourth Proportional to 51,789.67, 71,475.22 and 31,658.33

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Solution

The fourth proportional to 51,789.67, 71,475.22 and 31,658.33 is: 43,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,789.67 : 71,475.22 = 31,658.33 : x
  2. Step 2: Convert to fraction form
    51,789.67/71,475.22 = 31,658.33/x
  3. Step 3: Cross multiply
    51,789.67x = 71,475.22 × 31,658.33
  4. Step 4: Simplify right side
    51,789.67x = 2,262,786,101.58
  5. Step 5: Solve for x
    x = 2,262,786,101.58/51,789.67
  6. Step 6: Final answer
    x = 43,691.84

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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.