Home / 29,805.48-41,116.14-20,245.86

Finding the Fourth Proportional to 29,805.48, 41,116.14 and 20,245.86

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Solution

The fourth proportional to 29,805.48, 41,116.14 and 20,245.86 is: 27,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,805.48 : 41,116.14 = 20,245.86 : x
  2. Step 2: Convert to fraction form
    29,805.48/41,116.14 = 20,245.86/x
  3. Step 3: Cross multiply
    29,805.48x = 41,116.14 × 20,245.86
  4. Step 4: Simplify right side
    29,805.48x = 832,431,614.18
  5. Step 5: Solve for x
    x = 832,431,614.18/29,805.48
  6. Step 6: Final answer
    x = 27,928.81

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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.