Home / 30,212.66-41,693.43-16,785.17

Finding the Fourth Proportional to 30,212.66, 41,693.43 and 16,785.17

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Solution

The fourth proportional to 30,212.66, 41,693.43 and 16,785.17 is: 23,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.66 : 41,693.43 = 16,785.17 : x
  2. Step 2: Convert to fraction form
    30,212.66/41,693.43 = 16,785.17/x
  3. Step 3: Cross multiply
    30,212.66x = 41,693.43 × 16,785.17
  4. Step 4: Simplify right side
    30,212.66x = 699,831,101.97
  5. Step 5: Solve for x
    x = 699,831,101.97/30,212.66
  6. Step 6: Final answer
    x = 23,163.51

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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.