Home / 36,237.30-54,361.35-12,861.78

Finding the Fourth Proportional to 36,237.30, 54,361.35 and 12,861.78

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Solution

The fourth proportional to 36,237.30, 54,361.35 and 12,861.78 is: 19,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,237.30 : 54,361.35 = 12,861.78 : x
  2. Step 2: Convert to fraction form
    36,237.30/54,361.35 = 12,861.78/x
  3. Step 3: Cross multiply
    36,237.30x = 54,361.35 × 12,861.78
  4. Step 4: Simplify right side
    36,237.30x = 699,183,724.20
  5. Step 5: Solve for x
    x = 699,183,724.20/36,237.30
  6. Step 6: Final answer
    x = 19,294.59

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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.