Home / 30,112.88-41,556.11-16,684.35

Finding the Fourth Proportional to 30,112.88, 41,556.11 and 16,684.35

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Solution

The fourth proportional to 30,112.88, 41,556.11 and 16,684.35 is: 23,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.88 : 41,556.11 = 16,684.35 : x
  2. Step 2: Convert to fraction form
    30,112.88/41,556.11 = 16,684.35/x
  3. Step 3: Cross multiply
    30,112.88x = 41,556.11 × 16,684.35
  4. Step 4: Simplify right side
    30,112.88x = 693,336,392.68
  5. Step 5: Solve for x
    x = 693,336,392.68/30,112.88
  6. Step 6: Final answer
    x = 23,024.58

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1.5x scale

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.