Home / 36,145.37-54,204.64-12,446.30

Finding the Fourth Proportional to 36,145.37, 54,204.64 and 12,446.30

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Solution

The fourth proportional to 36,145.37, 54,204.64 and 12,446.30 is: 18,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.37 : 54,204.64 = 12,446.30 : x
  2. Step 2: Convert to fraction form
    36,145.37/54,204.64 = 12,446.30/x
  3. Step 3: Cross multiply
    36,145.37x = 54,204.64 × 12,446.30
  4. Step 4: Simplify right side
    36,145.37x = 674,647,210.83
  5. Step 5: Solve for x
    x = 674,647,210.83/36,145.37
  6. Step 6: Final answer
    x = 18,664.83

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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.