Home / 36,245.76-54,393.12-12,872.64

Finding the Fourth Proportional to 36,245.76, 54,393.12 and 12,872.64

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Solution

The fourth proportional to 36,245.76, 54,393.12 and 12,872.64 is: 19,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245.76 : 54,393.12 = 12,872.64 : x
  2. Step 2: Convert to fraction form
    36,245.76/54,393.12 = 12,872.64/x
  3. Step 3: Cross multiply
    36,245.76x = 54,393.12 × 12,872.64
  4. Step 4: Simplify right side
    36,245.76x = 700,183,052.24
  5. Step 5: Solve for x
    x = 700,183,052.24/36,245.76
  6. Step 6: Final answer
    x = 19,317.65

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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.