Home / 36,222.60-54,350.10-12,865.80

Finding the Fourth Proportional to 36,222.60, 54,350.10 and 12,865.80

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Solution

The fourth proportional to 36,222.60, 54,350.10 and 12,865.80 is: 19,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.60 : 54,350.10 = 12,865.80 : x
  2. Step 2: Convert to fraction form
    36,222.60/54,350.10 = 12,865.80/x
  3. Step 3: Cross multiply
    36,222.60x = 54,350.10 × 12,865.80
  4. Step 4: Simplify right side
    36,222.60x = 699,257,516.58
  5. Step 5: Solve for x
    x = 699,257,516.58/36,222.60
  6. Step 6: Final answer
    x = 19,304.45

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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.