Home / 37,131.03-51,240.24-20,134.94

Finding the Fourth Proportional to 37,131.03, 51,240.24 and 20,134.94

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Solution

The fourth proportional to 37,131.03, 51,240.24 and 20,134.94 is: 27,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.03 : 51,240.24 = 20,134.94 : x
  2. Step 2: Convert to fraction form
    37,131.03/51,240.24 = 20,134.94/x
  3. Step 3: Cross multiply
    37,131.03x = 51,240.24 × 20,134.94
  4. Step 4: Simplify right side
    37,131.03x = 1,031,718,901.78
  5. Step 5: Solve for x
    x = 1,031,718,901.78/37,131.03
  6. Step 6: Final answer
    x = 27,785.90

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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.