Home / 30,123.97-41,571.08-16,696.09

Finding the Fourth Proportional to 30,123.97, 41,571.08 and 16,696.09

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Solution

The fourth proportional to 30,123.97, 41,571.08 and 16,696.09 is: 23,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.97 : 41,571.08 = 16,696.09 : x
  2. Step 2: Convert to fraction form
    30,123.97/41,571.08 = 16,696.09/x
  3. Step 3: Cross multiply
    30,123.97x = 41,571.08 × 16,696.09
  4. Step 4: Simplify right side
    30,123.97x = 694,074,594.61
  5. Step 5: Solve for x
    x = 694,074,594.61/30,123.97
  6. Step 6: Final answer
    x = 23,040.61

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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.