Home / 36,815.50-55,215.96-10,515.61

Finding the Fourth Proportional to 36,815.50, 55,215.96 and 10,515.61

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Solution

The fourth proportional to 36,815.50, 55,215.96 and 10,515.61 is: 15,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.50 : 55,215.96 = 10,515.61 : x
  2. Step 2: Convert to fraction form
    36,815.50/55,215.96 = 10,515.61/x
  3. Step 3: Cross multiply
    36,815.50x = 55,215.96 × 10,515.61
  4. Step 4: Simplify right side
    36,815.50x = 580,629,501.14
  5. Step 5: Solve for x
    x = 580,629,501.14/36,815.50
  6. Step 6: Final answer
    x = 15,771.33

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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.