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Finding the Fourth Proportional to 44,753.58, 67,080.42 and 19,789.11

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Solution

The fourth proportional to 44,753.58, 67,080.42 and 19,789.11 is: 29,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,753.58 : 67,080.42 = 19,789.11 : x
  2. Step 2: Convert to fraction form
    44,753.58/67,080.42 = 19,789.11/x
  3. Step 3: Cross multiply
    44,753.58x = 67,080.42 × 19,789.11
  4. Step 4: Simplify right side
    44,753.58x = 1,327,461,810.23
  5. Step 5: Solve for x
    x = 1,327,461,810.23/44,753.58
  6. Step 6: Final answer
    x = 29,661.58

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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.