Home / 34,081.16-51,121.90-11,894.44

Finding the Fourth Proportional to 34,081.16, 51,121.90 and 11,894.44

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Solution

The fourth proportional to 34,081.16, 51,121.90 and 11,894.44 is: 17,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,081.16 : 51,121.90 = 11,894.44 : x
  2. Step 2: Convert to fraction form
    34,081.16/51,121.90 = 11,894.44/x
  3. Step 3: Cross multiply
    34,081.16x = 51,121.90 × 11,894.44
  4. Step 4: Simplify right side
    34,081.16x = 608,066,372.24
  5. Step 5: Solve for x
    x = 608,066,372.24/34,081.16
  6. Step 6: Final answer
    x = 17,841.72

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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.