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Finding the Fourth Proportional to 43,995.83, 65,992.49 and 21,194.54

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Solution

The fourth proportional to 43,995.83, 65,992.49 and 21,194.54 is: 31,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,995.83 : 65,992.49 = 21,194.54 : x
  2. Step 2: Convert to fraction form
    43,995.83/65,992.49 = 21,194.54/x
  3. Step 3: Cross multiply
    43,995.83x = 65,992.49 × 21,194.54
  4. Step 4: Simplify right side
    43,995.83x = 1,398,680,033.07
  5. Step 5: Solve for x
    x = 1,398,680,033.07/43,995.83
  6. Step 6: Final answer
    x = 31,791.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.