Home / 30,213.70-41,696.76-16,785.07

Finding the Fourth Proportional to 30,213.70, 41,696.76 and 16,785.07

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Solution

The fourth proportional to 30,213.70, 41,696.76 and 16,785.07 is: 23,164.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.70 : 41,696.76 = 16,785.07 : x
  2. Step 2: Convert to fraction form
    30,213.70/41,696.76 = 16,785.07/x
  3. Step 3: Cross multiply
    30,213.70x = 41,696.76 × 16,785.07
  4. Step 4: Simplify right side
    30,213.70x = 699,883,035.37
  5. Step 5: Solve for x
    x = 699,883,035.37/30,213.70
  6. Step 6: Final answer
    x = 23,164.43

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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.