Home / 36,146.62-54,206.52-12,447.55

Finding the Fourth Proportional to 36,146.62, 54,206.52 and 12,447.55

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Solution

The fourth proportional to 36,146.62, 54,206.52 and 12,447.55 is: 18,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,146.62 : 54,206.52 = 12,447.55 : x
  2. Step 2: Convert to fraction form
    36,146.62/54,206.52 = 12,447.55/x
  3. Step 3: Cross multiply
    36,146.62x = 54,206.52 × 12,447.55
  4. Step 4: Simplify right side
    36,146.62x = 674,738,368.03
  5. Step 5: Solve for x
    x = 674,738,368.03/36,146.62
  6. Step 6: Final answer
    x = 18,666.71

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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.