Home / 36,118.20-54,163.83-12,419.04

Finding the Fourth Proportional to 36,118.20, 54,163.83 and 12,419.04

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Solution

The fourth proportional to 36,118.20, 54,163.83 and 12,419.04 is: 18,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,118.20 : 54,163.83 = 12,419.04 : x
  2. Step 2: Convert to fraction form
    36,118.20/54,163.83 = 12,419.04/x
  3. Step 3: Cross multiply
    36,118.20x = 54,163.83 × 12,419.04
  4. Step 4: Simplify right side
    36,118.20x = 672,662,771.32
  5. Step 5: Solve for x
    x = 672,662,771.32/36,118.20
  6. Step 6: Final answer
    x = 18,623.93

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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.