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Finding the Fourth Proportional to 54,241.01, 81,384.86 and 29,276.08

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Solution

The fourth proportional to 54,241.01, 81,384.86 and 29,276.08 is: 43,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,241.01 : 81,384.86 = 29,276.08 : x
  2. Step 2: Convert to fraction form
    54,241.01/81,384.86 = 29,276.08/x
  3. Step 3: Cross multiply
    54,241.01x = 81,384.86 × 29,276.08
  4. Step 4: Simplify right side
    54,241.01x = 2,382,629,672.15
  5. Step 5: Solve for x
    x = 2,382,629,672.15/54,241.01
  6. Step 6: Final answer
    x = 43,926.72

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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.