Home / 36,678.36-55,016.82-8,976.36

Finding the Fourth Proportional to 36,678.36, 55,016.82 and 8,976.36

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Solution

The fourth proportional to 36,678.36, 55,016.82 and 8,976.36 is: 13,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.36 : 55,016.82 = 8,976.36 : x
  2. Step 2: Convert to fraction form
    36,678.36/55,016.82 = 8,976.36/x
  3. Step 3: Cross multiply
    36,678.36x = 55,016.82 × 8,976.36
  4. Step 4: Simplify right side
    36,678.36x = 493,850,782.38
  5. Step 5: Solve for x
    x = 493,850,782.38/36,678.36
  6. Step 6: Final answer
    x = 13,464.36

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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.