Home / 37,135.99-51,250.49-21,221.11

Finding the Fourth Proportional to 37,135.99, 51,250.49 and 21,221.11

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Solution

The fourth proportional to 37,135.99, 51,250.49 and 21,221.11 is: 29,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,135.99 : 51,250.49 = 21,221.11 : x
  2. Step 2: Convert to fraction form
    37,135.99/51,250.49 = 21,221.11/x
  3. Step 3: Cross multiply
    37,135.99x = 51,250.49 × 21,221.11
  4. Step 4: Simplify right side
    37,135.99x = 1,087,592,285.84
  5. Step 5: Solve for x
    x = 1,087,592,285.84/37,135.99
  6. Step 6: Final answer
    x = 29,286.75

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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.