Home / 36,099.60-54,156.68-12,742.44

Finding the Fourth Proportional to 36,099.60, 54,156.68 and 12,742.44

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Solution

The fourth proportional to 36,099.60, 54,156.68 and 12,742.44 is: 19,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,099.60 : 54,156.68 = 12,742.44 : x
  2. Step 2: Convert to fraction form
    36,099.60/54,156.68 = 12,742.44/x
  3. Step 3: Cross multiply
    36,099.60x = 54,156.68 × 12,742.44
  4. Step 4: Simplify right side
    36,099.60x = 690,088,245.50
  5. Step 5: Solve for x
    x = 690,088,245.50/36,099.60
  6. Step 6: Final answer
    x = 19,116.23

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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.