Home / 37,185.78-55,785.51-12,227.22

Finding the Fourth Proportional to 37,185.78, 55,785.51 and 12,227.22

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Solution

The fourth proportional to 37,185.78, 55,785.51 and 12,227.22 is: 18,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,185.78 : 55,785.51 = 12,227.22 : x
  2. Step 2: Convert to fraction form
    37,185.78/55,785.51 = 12,227.22/x
  3. Step 3: Cross multiply
    37,185.78x = 55,785.51 × 12,227.22
  4. Step 4: Simplify right side
    37,185.78x = 682,101,703.58
  5. Step 5: Solve for x
    x = 682,101,703.58/37,185.78
  6. Step 6: Final answer
    x = 18,343.08

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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.