Home / 54,744.21-82,116.14-13,191.21

Finding the Fourth Proportional to 54,744.21, 82,116.14 and 13,191.21

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Solution

The fourth proportional to 54,744.21, 82,116.14 and 13,191.21 is: 19,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,744.21 : 82,116.14 = 13,191.21 : x
  2. Step 2: Convert to fraction form
    54,744.21/82,116.14 = 13,191.21/x
  3. Step 3: Cross multiply
    54,744.21x = 82,116.14 × 13,191.21
  4. Step 4: Simplify right side
    54,744.21x = 1,083,211,181.17
  5. Step 5: Solve for x
    x = 1,083,211,181.17/54,744.21
  6. Step 6: Final answer
    x = 19,786.77

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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.