Home / 36,181.56-49,932.09-21,071.79

Finding the Fourth Proportional to 36,181.56, 49,932.09 and 21,071.79

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Solution

The fourth proportional to 36,181.56, 49,932.09 and 21,071.79 is: 29,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,181.56 : 49,932.09 = 21,071.79 : x
  2. Step 2: Convert to fraction form
    36,181.56/49,932.09 = 21,071.79/x
  3. Step 3: Cross multiply
    36,181.56x = 49,932.09 × 21,071.79
  4. Step 4: Simplify right side
    36,181.56x = 1,052,158,514.74
  5. Step 5: Solve for x
    x = 1,052,158,514.74/36,181.56
  6. Step 6: Final answer
    x = 29,079.97

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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.