Home / 36,073.98-49,781.16-20,158.54

Finding the Fourth Proportional to 36,073.98, 49,781.16 and 20,158.54

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Solution

The fourth proportional to 36,073.98, 49,781.16 and 20,158.54 is: 27,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,073.98 : 49,781.16 = 20,158.54 : x
  2. Step 2: Convert to fraction form
    36,073.98/49,781.16 = 20,158.54/x
  3. Step 3: Cross multiply
    36,073.98x = 49,781.16 × 20,158.54
  4. Step 4: Simplify right side
    36,073.98x = 1,003,515,380.65
  5. Step 5: Solve for x
    x = 1,003,515,380.65/36,073.98
  6. Step 6: Final answer
    x = 27,818.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.