Home / 37,121.75-51,235.45-22,022.79

Finding the Fourth Proportional to 37,121.75, 51,235.45 and 22,022.79

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Solution

The fourth proportional to 37,121.75, 51,235.45 and 22,022.79 is: 30,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.75 : 51,235.45 = 22,022.79 : x
  2. Step 2: Convert to fraction form
    37,121.75/51,235.45 = 22,022.79/x
  3. Step 3: Cross multiply
    37,121.75x = 51,235.45 × 22,022.79
  4. Step 4: Simplify right side
    37,121.75x = 1,128,347,610.96
  5. Step 5: Solve for x
    x = 1,128,347,610.96/37,121.75
  6. Step 6: Final answer
    x = 30,395.87

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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.