Home / 54,956.25-82,378.99-21,663.43

Finding the Fourth Proportional to 54,956.25, 82,378.99 and 21,663.43

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Solution

The fourth proportional to 54,956.25, 82,378.99 and 21,663.43 is: 32,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,956.25 : 82,378.99 = 21,663.43 : x
  2. Step 2: Convert to fraction form
    54,956.25/82,378.99 = 21,663.43/x
  3. Step 3: Cross multiply
    54,956.25x = 82,378.99 × 21,663.43
  4. Step 4: Simplify right side
    54,956.25x = 1,784,611,483.34
  5. Step 5: Solve for x
    x = 1,784,611,483.34/54,956.25
  6. Step 6: Final answer
    x = 32,473.31

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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.