Home / 30,161.13-41,622.47-16,732.65

Finding the Fourth Proportional to 30,161.13, 41,622.47 and 16,732.65

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Solution

The fourth proportional to 30,161.13, 41,622.47 and 16,732.65 is: 23,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.13 : 41,622.47 = 16,732.65 : x
  2. Step 2: Convert to fraction form
    30,161.13/41,622.47 = 16,732.65/x
  3. Step 3: Cross multiply
    30,161.13x = 41,622.47 × 16,732.65
  4. Step 4: Simplify right side
    30,161.13x = 696,454,138.98
  5. Step 5: Solve for x
    x = 696,454,138.98/30,161.13
  6. Step 6: Final answer
    x = 23,091.12

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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.