Home / 36,620.79-54,928.85-11,678.73

Finding the Fourth Proportional to 36,620.79, 54,928.85 and 11,678.73

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Solution

The fourth proportional to 36,620.79, 54,928.85 and 11,678.73 is: 17,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,620.79 : 54,928.85 = 11,678.73 : x
  2. Step 2: Convert to fraction form
    36,620.79/54,928.85 = 11,678.73/x
  3. Step 3: Cross multiply
    36,620.79x = 54,928.85 × 11,678.73
  4. Step 4: Simplify right side
    36,620.79x = 641,499,208.36
  5. Step 5: Solve for x
    x = 641,499,208.36/36,620.79
  6. Step 6: Final answer
    x = 17,517.35

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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.