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Finding the Fourth Proportional to 43,964.02, 65,978.70 and 27,348.22

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Solution

The fourth proportional to 43,964.02, 65,978.70 and 27,348.22 is: 41,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,964.02 : 65,978.70 = 27,348.22 : x
  2. Step 2: Convert to fraction form
    43,964.02/65,978.70 = 27,348.22/x
  3. Step 3: Cross multiply
    43,964.02x = 65,978.70 × 27,348.22
  4. Step 4: Simplify right side
    43,964.02x = 1,804,400,002.91
  5. Step 5: Solve for x
    x = 1,804,400,002.91/43,964.02
  6. Step 6: Final answer
    x = 41,042.65

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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.