Home / 36,074.25-49,781.50-20,158.83

Finding the Fourth Proportional to 36,074.25, 49,781.50 and 20,158.83

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Solution

The fourth proportional to 36,074.25, 49,781.50 and 20,158.83 is: 27,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.25 : 49,781.50 = 20,158.83 : x
  2. Step 2: Convert to fraction form
    36,074.25/49,781.50 = 20,158.83/x
  3. Step 3: Cross multiply
    36,074.25x = 49,781.50 × 20,158.83
  4. Step 4: Simplify right side
    36,074.25x = 1,003,536,795.65
  5. Step 5: Solve for x
    x = 1,003,536,795.65/36,074.25
  6. Step 6: Final answer
    x = 27,818.65

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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.