Home / 36,781.44-55,174.16-11,819.57

Finding the Fourth Proportional to 36,781.44, 55,174.16 and 11,819.57

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Solution

The fourth proportional to 36,781.44, 55,174.16 and 11,819.57 is: 17,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.44 : 55,174.16 = 11,819.57 : x
  2. Step 2: Convert to fraction form
    36,781.44/55,174.16 = 11,819.57/x
  3. Step 3: Cross multiply
    36,781.44x = 55,174.16 × 11,819.57
  4. Step 4: Simplify right side
    36,781.44x = 652,134,910.34
  5. Step 5: Solve for x
    x = 652,134,910.34/36,781.44
  6. Step 6: Final answer
    x = 17,730.00

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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.