Home / 56,721.23-85,078.74-17,275.04

Finding the Fourth Proportional to 56,721.23, 85,078.74 and 17,275.04

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Solution

The fourth proportional to 56,721.23, 85,078.74 and 17,275.04 is: 25,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.23 : 85,078.74 = 17,275.04 : x
  2. Step 2: Convert to fraction form
    56,721.23/85,078.74 = 17,275.04/x
  3. Step 3: Cross multiply
    56,721.23x = 85,078.74 × 17,275.04
  4. Step 4: Simplify right side
    56,721.23x = 1,469,738,636.65
  5. Step 5: Solve for x
    x = 1,469,738,636.65/56,721.23
  6. Step 6: Final answer
    x = 25,911.61

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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.