Home / 36,618.72-54,893.52-18,140.64

Finding the Fourth Proportional to 36,618.72, 54,893.52 and 18,140.64

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Solution

The fourth proportional to 36,618.72, 54,893.52 and 18,140.64 is: 27,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,618.72 : 54,893.52 = 18,140.64 : x
  2. Step 2: Convert to fraction form
    36,618.72/54,893.52 = 18,140.64/x
  3. Step 3: Cross multiply
    36,618.72x = 54,893.52 × 18,140.64
  4. Step 4: Simplify right side
    36,618.72x = 995,803,584.65
  5. Step 5: Solve for x
    x = 995,803,584.65/36,618.72
  6. Step 6: Final answer
    x = 27,193.84

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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.