Home / 37,137.06-51,249.21-20,370.18

Finding the Fourth Proportional to 37,137.06, 51,249.21 and 20,370.18

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Solution

The fourth proportional to 37,137.06, 51,249.21 and 20,370.18 is: 28,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,137.06 : 51,249.21 = 20,370.18 : x
  2. Step 2: Convert to fraction form
    37,137.06/51,249.21 = 20,370.18/x
  3. Step 3: Cross multiply
    37,137.06x = 51,249.21 × 20,370.18
  4. Step 4: Simplify right side
    37,137.06x = 1,043,955,632.56
  5. Step 5: Solve for x
    x = 1,043,955,632.56/37,137.06
  6. Step 6: Final answer
    x = 28,110.89

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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.