Home / 30,906.43-42,650.49-16,759.24

Finding the Fourth Proportional to 30,906.43, 42,650.49 and 16,759.24

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Solution

The fourth proportional to 30,906.43, 42,650.49 and 16,759.24 is: 23,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.43 : 42,650.49 = 16,759.24 : x
  2. Step 2: Convert to fraction form
    30,906.43/42,650.49 = 16,759.24/x
  3. Step 3: Cross multiply
    30,906.43x = 42,650.49 × 16,759.24
  4. Step 4: Simplify right side
    30,906.43x = 714,789,798.03
  5. Step 5: Solve for x
    x = 714,789,798.03/30,906.43
  6. Step 6: Final answer
    x = 23,127.54

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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.