Home / 36,813.78-55,178.64-16,778.70

Finding the Fourth Proportional to 36,813.78, 55,178.64 and 16,778.70

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Solution

The fourth proportional to 36,813.78, 55,178.64 and 16,778.70 is: 25,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,813.78 : 55,178.64 = 16,778.70 : x
  2. Step 2: Convert to fraction form
    36,813.78/55,178.64 = 16,778.70/x
  3. Step 3: Cross multiply
    36,813.78x = 55,178.64 × 16,778.70
  4. Step 4: Simplify right side
    36,813.78x = 925,825,846.97
  5. Step 5: Solve for x
    x = 925,825,846.97/36,813.78
  6. Step 6: Final answer
    x = 25,148.89

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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.