Home / 54,956.90-82,446.16-19,895.78

Finding the Fourth Proportional to 54,956.90, 82,446.16 and 19,895.78

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Solution

The fourth proportional to 54,956.90, 82,446.16 and 19,895.78 is: 29,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,956.90 : 82,446.16 = 19,895.78 : x
  2. Step 2: Convert to fraction form
    54,956.90/82,446.16 = 19,895.78/x
  3. Step 3: Cross multiply
    54,956.90x = 82,446.16 × 19,895.78
  4. Step 4: Simplify right side
    54,956.90x = 1,640,330,661.20
  5. Step 5: Solve for x
    x = 1,640,330,661.20/54,956.90
  6. Step 6: Final answer
    x = 29,847.58

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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.