Home / 37,200.45-55,806.14-12,235.85

Finding the Fourth Proportional to 37,200.45, 55,806.14 and 12,235.85

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Solution

The fourth proportional to 37,200.45, 55,806.14 and 12,235.85 is: 18,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,200.45 : 55,806.14 = 12,235.85 : x
  2. Step 2: Convert to fraction form
    37,200.45/55,806.14 = 12,235.85/x
  3. Step 3: Cross multiply
    37,200.45x = 55,806.14 × 12,235.85
  4. Step 4: Simplify right side
    37,200.45x = 682,835,558.12
  5. Step 5: Solve for x
    x = 682,835,558.12/37,200.45
  6. Step 6: Final answer
    x = 18,355.57

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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.