Home / 30,107.06-41,550.09-16,679.56

Finding the Fourth Proportional to 30,107.06, 41,550.09 and 16,679.56

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Solution

The fourth proportional to 30,107.06, 41,550.09 and 16,679.56 is: 23,019.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.06 : 41,550.09 = 16,679.56 : x
  2. Step 2: Convert to fraction form
    30,107.06/41,550.09 = 16,679.56/x
  3. Step 3: Cross multiply
    30,107.06x = 41,550.09 × 16,679.56
  4. Step 4: Simplify right side
    30,107.06x = 693,037,073.59
  5. Step 5: Solve for x
    x = 693,037,073.59/30,107.06
  6. Step 6: Final answer
    x = 23,019.09

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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.