Home / 36,910.60-55,368.78-18,200.68

Finding the Fourth Proportional to 36,910.60, 55,368.78 and 18,200.68

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Solution

The fourth proportional to 36,910.60, 55,368.78 and 18,200.68 is: 27,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,910.60 : 55,368.78 = 18,200.68 : x
  2. Step 2: Convert to fraction form
    36,910.60/55,368.78 = 18,200.68/x
  3. Step 3: Cross multiply
    36,910.60x = 55,368.78 × 18,200.68
  4. Step 4: Simplify right side
    36,910.60x = 1,007,749,446.77
  5. Step 5: Solve for x
    x = 1,007,749,446.77/36,910.60
  6. Step 6: Final answer
    x = 27,302.44

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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.