Home / 37,137.75-51,249.13-21,222.20

Finding the Fourth Proportional to 37,137.75, 51,249.13 and 21,222.20

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Solution

The fourth proportional to 37,137.75, 51,249.13 and 21,222.20 is: 29,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,137.75 : 51,249.13 = 21,222.20 : x
  2. Step 2: Convert to fraction form
    37,137.75/51,249.13 = 21,222.20/x
  3. Step 3: Cross multiply
    37,137.75x = 51,249.13 × 21,222.20
  4. Step 4: Simplify right side
    37,137.75x = 1,087,619,286.69
  5. Step 5: Solve for x
    x = 1,087,619,286.69/37,137.75
  6. Step 6: Final answer
    x = 29,286.08

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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.