Home / 36,118.25-49,840.47-20,199.62

Finding the Fourth Proportional to 36,118.25, 49,840.47 and 20,199.62

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Solution

The fourth proportional to 36,118.25, 49,840.47 and 20,199.62 is: 27,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,118.25 : 49,840.47 = 20,199.62 : x
  2. Step 2: Convert to fraction form
    36,118.25/49,840.47 = 20,199.62/x
  3. Step 3: Cross multiply
    36,118.25x = 49,840.47 × 20,199.62
  4. Step 4: Simplify right side
    36,118.25x = 1,006,758,305.42
  5. Step 5: Solve for x
    x = 1,006,758,305.42/36,118.25
  6. Step 6: Final answer
    x = 27,873.95

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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.