Home / 37,131.73-51,237.06-21,217.21

Finding the Fourth Proportional to 37,131.73, 51,237.06 and 21,217.21

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Solution

The fourth proportional to 37,131.73, 51,237.06 and 21,217.21 is: 29,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.73 : 51,237.06 = 21,217.21 : x
  2. Step 2: Convert to fraction form
    37,131.73/51,237.06 = 21,217.21/x
  3. Step 3: Cross multiply
    37,131.73x = 51,237.06 × 21,217.21
  4. Step 4: Simplify right side
    37,131.73x = 1,087,107,205.62
  5. Step 5: Solve for x
    x = 1,087,107,205.62/37,131.73
  6. Step 6: Final answer
    x = 29,277.05

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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.