Home / 34,085.08-51,138.14-17,456.80

Finding the Fourth Proportional to 34,085.08, 51,138.14 and 17,456.80

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Solution

The fourth proportional to 34,085.08, 51,138.14 and 17,456.80 is: 26,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085.08 : 51,138.14 = 17,456.80 : x
  2. Step 2: Convert to fraction form
    34,085.08/51,138.14 = 17,456.80/x
  3. Step 3: Cross multiply
    34,085.08x = 51,138.14 × 17,456.80
  4. Step 4: Simplify right side
    34,085.08x = 892,708,282.35
  5. Step 5: Solve for x
    x = 892,708,282.35/34,085.08
  6. Step 6: Final answer
    x = 26,190.59

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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.