Home / 30,161.22-41,620.60-16,732.20

Finding the Fourth Proportional to 30,161.22, 41,620.60 and 16,732.20

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Solution

The fourth proportional to 30,161.22, 41,620.60 and 16,732.20 is: 23,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.22 : 41,620.60 = 16,732.20 : x
  2. Step 2: Convert to fraction form
    30,161.22/41,620.60 = 16,732.20/x
  3. Step 3: Cross multiply
    30,161.22x = 41,620.60 × 16,732.20
  4. Step 4: Simplify right side
    30,161.22x = 696,404,203.32
  5. Step 5: Solve for x
    x = 696,404,203.32/30,161.22
  6. Step 6: Final answer
    x = 23,089.39

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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.