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Finding the Fourth Proportional to 54,744.77, 82,116.98 and 13,191.77

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Solution

The fourth proportional to 54,744.77, 82,116.98 and 13,191.77 is: 19,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,744.77 : 82,116.98 = 13,191.77 : x
  2. Step 2: Convert to fraction form
    54,744.77/82,116.98 = 13,191.77/x
  3. Step 3: Cross multiply
    54,744.77x = 82,116.98 × 13,191.77
  4. Step 4: Simplify right side
    54,744.77x = 1,083,268,502.06
  5. Step 5: Solve for x
    x = 1,083,268,502.06/54,744.77
  6. Step 6: Final answer
    x = 19,787.62

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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.