Home / 30,161.70-41,622.78-16,732.62

Finding the Fourth Proportional to 30,161.70, 41,622.78 and 16,732.62

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Solution

The fourth proportional to 30,161.70, 41,622.78 and 16,732.62 is: 23,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.70 : 41,622.78 = 16,732.62 : x
  2. Step 2: Convert to fraction form
    30,161.70/41,622.78 = 16,732.62/x
  3. Step 3: Cross multiply
    30,161.70x = 41,622.78 × 16,732.62
  4. Step 4: Simplify right side
    30,161.70x = 696,458,161.08
  5. Step 5: Solve for x
    x = 696,458,161.08/30,161.70
  6. Step 6: Final answer
    x = 23,090.81

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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.