Home / 54,339.96-81,522.25-19,279.62

Finding the Fourth Proportional to 54,339.96, 81,522.25 and 19,279.62

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Solution

The fourth proportional to 54,339.96, 81,522.25 and 19,279.62 is: 28,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.96 : 81,522.25 = 19,279.62 : x
  2. Step 2: Convert to fraction form
    54,339.96/81,522.25 = 19,279.62/x
  3. Step 3: Cross multiply
    54,339.96x = 81,522.25 × 19,279.62
  4. Step 4: Simplify right side
    54,339.96x = 1,571,717,953.35
  5. Step 5: Solve for x
    x = 1,571,717,953.35/54,339.96
  6. Step 6: Final answer
    x = 28,923.79

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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.