Home / 36,858.20-55,245.88-14,665.60

Finding the Fourth Proportional to 36,858.20, 55,245.88 and 14,665.60

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Solution

The fourth proportional to 36,858.20, 55,245.88 and 14,665.60 is: 21,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,858.20 : 55,245.88 = 14,665.60 : x
  2. Step 2: Convert to fraction form
    36,858.20/55,245.88 = 14,665.60/x
  3. Step 3: Cross multiply
    36,858.20x = 55,245.88 × 14,665.60
  4. Step 4: Simplify right side
    36,858.20x = 810,213,977.73
  5. Step 5: Solve for x
    x = 810,213,977.73/36,858.20
  6. Step 6: Final answer
    x = 21,981.92

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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.