Home / 30,123.82-41,571.78-16,693.81

Finding the Fourth Proportional to 30,123.82, 41,571.78 and 16,693.81

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Solution

The fourth proportional to 30,123.82, 41,571.78 and 16,693.81 is: 23,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.82 : 41,571.78 = 16,693.81 : x
  2. Step 2: Convert to fraction form
    30,123.82/41,571.78 = 16,693.81/x
  3. Step 3: Cross multiply
    30,123.82x = 41,571.78 × 16,693.81
  4. Step 4: Simplify right side
    30,123.82x = 693,991,396.68
  5. Step 5: Solve for x
    x = 693,991,396.68/30,123.82
  6. Step 6: Final answer
    x = 23,037.96

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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.