Home / 37,190.76-55,789.67-12,231.01

Finding the Fourth Proportional to 37,190.76, 55,789.67 and 12,231.01

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Solution

The fourth proportional to 37,190.76, 55,789.67 and 12,231.01 is: 18,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,190.76 : 55,789.67 = 12,231.01 : x
  2. Step 2: Convert to fraction form
    37,190.76/55,789.67 = 12,231.01/x
  3. Step 3: Cross multiply
    37,190.76x = 55,789.67 × 12,231.01
  4. Step 4: Simplify right side
    37,190.76x = 682,364,011.67
  5. Step 5: Solve for x
    x = 682,364,011.67/37,190.76
  6. Step 6: Final answer
    x = 18,347.68

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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.