Home / 30,168.54-41,631.96-16,739.69

Finding the Fourth Proportional to 30,168.54, 41,631.96 and 16,739.69

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Solution

The fourth proportional to 30,168.54, 41,631.96 and 16,739.69 is: 23,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.54 : 41,631.96 = 16,739.69 : x
  2. Step 2: Convert to fraction form
    30,168.54/41,631.96 = 16,739.69/x
  3. Step 3: Cross multiply
    30,168.54x = 41,631.96 × 16,739.69
  4. Step 4: Simplify right side
    30,168.54x = 696,905,896.33
  5. Step 5: Solve for x
    x = 696,905,896.33/30,168.54
  6. Step 6: Final answer
    x = 23,100.42

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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.