Home / 37,220.73-51,367.21-21,087.91

Finding the Fourth Proportional to 37,220.73, 51,367.21 and 21,087.91

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Solution

The fourth proportional to 37,220.73, 51,367.21 and 21,087.91 is: 29,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,220.73 : 51,367.21 = 21,087.91 : x
  2. Step 2: Convert to fraction form
    37,220.73/51,367.21 = 21,087.91/x
  3. Step 3: Cross multiply
    37,220.73x = 51,367.21 × 21,087.91
  4. Step 4: Simplify right side
    37,220.73x = 1,083,227,231.54
  5. Step 5: Solve for x
    x = 1,083,227,231.54/37,220.73
  6. Step 6: Final answer
    x = 29,102.79

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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.