Home / 36,231.18-54,353.04-12,213.18

Finding the Fourth Proportional to 36,231.18, 54,353.04 and 12,213.18

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Solution

The fourth proportional to 36,231.18, 54,353.04 and 12,213.18 is: 18,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.18 : 54,353.04 = 12,213.18 : x
  2. Step 2: Convert to fraction form
    36,231.18/54,353.04 = 12,213.18/x
  3. Step 3: Cross multiply
    36,231.18x = 54,353.04 × 12,213.18
  4. Step 4: Simplify right side
    36,231.18x = 663,823,461.07
  5. Step 5: Solve for x
    x = 663,823,461.07/36,231.18
  6. Step 6: Final answer
    x = 18,321.88

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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.