Home / 37,135.45-51,250.16-20,371.69

Finding the Fourth Proportional to 37,135.45, 51,250.16 and 20,371.69

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Solution

The fourth proportional to 37,135.45, 51,250.16 and 20,371.69 is: 28,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,135.45 : 51,250.16 = 20,371.69 : x
  2. Step 2: Convert to fraction form
    37,135.45/51,250.16 = 20,371.69/x
  3. Step 3: Cross multiply
    37,135.45x = 51,250.16 × 20,371.69
  4. Step 4: Simplify right side
    37,135.45x = 1,044,052,371.97
  5. Step 5: Solve for x
    x = 1,044,052,371.97/37,135.45
  6. Step 6: Final answer
    x = 28,114.71

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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.