Home / 51,296.36-70,782.57-28,636.61

Finding the Fourth Proportional to 51,296.36, 70,782.57 and 28,636.61

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Solution

The fourth proportional to 51,296.36, 70,782.57 and 28,636.61 is: 39,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,296.36 : 70,782.57 = 28,636.61 : x
  2. Step 2: Convert to fraction form
    51,296.36/70,782.57 = 28,636.61/x
  3. Step 3: Cross multiply
    51,296.36x = 70,782.57 × 28,636.61
  4. Step 4: Simplify right side
    51,296.36x = 2,026,972,497.97
  5. Step 5: Solve for x
    x = 2,026,972,497.97/51,296.36
  6. Step 6: Final answer
    x = 39,514.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.