Home / 37,245.39-55,856.22-12,280.78

Finding the Fourth Proportional to 37,245.39, 55,856.22 and 12,280.78

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Solution

The fourth proportional to 37,245.39, 55,856.22 and 12,280.78 is: 18,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,245.39 : 55,856.22 = 12,280.78 : x
  2. Step 2: Convert to fraction form
    37,245.39/55,856.22 = 12,280.78/x
  3. Step 3: Cross multiply
    37,245.39x = 55,856.22 × 12,280.78
  4. Step 4: Simplify right side
    37,245.39x = 685,957,949.45
  5. Step 5: Solve for x
    x = 685,957,949.45/37,245.39
  6. Step 6: Final answer
    x = 18,417.26

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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.