Home / 36,221.42-54,318.83-12,522.89

Finding the Fourth Proportional to 36,221.42, 54,318.83 and 12,522.89

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Solution

The fourth proportional to 36,221.42, 54,318.83 and 12,522.89 is: 18,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221.42 : 54,318.83 = 12,522.89 : x
  2. Step 2: Convert to fraction form
    36,221.42/54,318.83 = 12,522.89/x
  3. Step 3: Cross multiply
    36,221.42x = 54,318.83 × 12,522.89
  4. Step 4: Simplify right side
    36,221.42x = 680,228,806.20
  5. Step 5: Solve for x
    x = 680,228,806.20/36,221.42
  6. Step 6: Final answer
    x = 18,779.74

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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.