Home / 37,231.09-55,845.86-12,272.63

Finding the Fourth Proportional to 37,231.09, 55,845.86 and 12,272.63

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Solution

The fourth proportional to 37,231.09, 55,845.86 and 12,272.63 is: 18,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,231.09 : 55,845.86 = 12,272.63 : x
  2. Step 2: Convert to fraction form
    37,231.09/55,845.86 = 12,272.63/x
  3. Step 3: Cross multiply
    37,231.09x = 55,845.86 × 12,272.63
  4. Step 4: Simplify right side
    37,231.09x = 685,375,576.81
  5. Step 5: Solve for x
    x = 685,375,576.81/37,231.09
  6. Step 6: Final answer
    x = 18,408.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.