Home / 54,855.41-82,285.94-17,418.40

Finding the Fourth Proportional to 54,855.41, 82,285.94 and 17,418.40

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Solution

The fourth proportional to 54,855.41, 82,285.94 and 17,418.40 is: 26,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,855.41 : 82,285.94 = 17,418.40 : x
  2. Step 2: Convert to fraction form
    54,855.41/82,285.94 = 17,418.40/x
  3. Step 3: Cross multiply
    54,855.41x = 82,285.94 × 17,418.40
  4. Step 4: Simplify right side
    54,855.41x = 1,433,289,255.13
  5. Step 5: Solve for x
    x = 1,433,289,255.13/54,855.41
  6. Step 6: Final answer
    x = 26,128.50

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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.