Home / 54,633.17-81,929.97-19,084.56

Finding the Fourth Proportional to 54,633.17, 81,929.97 and 19,084.56

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Solution

The fourth proportional to 54,633.17, 81,929.97 and 19,084.56 is: 28,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,633.17 : 81,929.97 = 19,084.56 : x
  2. Step 2: Convert to fraction form
    54,633.17/81,929.97 = 19,084.56/x
  3. Step 3: Cross multiply
    54,633.17x = 81,929.97 × 19,084.56
  4. Step 4: Simplify right side
    54,633.17x = 1,563,597,428.26
  5. Step 5: Solve for x
    x = 1,563,597,428.26/54,633.17
  6. Step 6: Final answer
    x = 28,619.93

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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.