Home / 36,079.83-49,790.30-20,164.55

Finding the Fourth Proportional to 36,079.83, 49,790.30 and 20,164.55

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Solution

The fourth proportional to 36,079.83, 49,790.30 and 20,164.55 is: 27,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,079.83 : 49,790.30 = 20,164.55 : x
  2. Step 2: Convert to fraction form
    36,079.83/49,790.30 = 20,164.55/x
  3. Step 3: Cross multiply
    36,079.83x = 49,790.30 × 20,164.55
  4. Step 4: Simplify right side
    36,079.83x = 1,003,998,644.09
  5. Step 5: Solve for x
    x = 1,003,998,644.09/36,079.83
  6. Step 6: Final answer
    x = 27,827.14

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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.