Home / 30,210.45-41,697.09-16,786.32

Finding the Fourth Proportional to 30,210.45, 41,697.09 and 16,786.32

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Solution

The fourth proportional to 30,210.45, 41,697.09 and 16,786.32 is: 23,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.45 : 41,697.09 = 16,786.32 : x
  2. Step 2: Convert to fraction form
    30,210.45/41,697.09 = 16,786.32/x
  3. Step 3: Cross multiply
    30,210.45x = 41,697.09 × 16,786.32
  4. Step 4: Simplify right side
    30,210.45x = 699,940,695.81
  5. Step 5: Solve for x
    x = 699,940,695.81/30,210.45
  6. Step 6: Final answer
    x = 23,168.83

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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.