Home / 31,674.58-43,698.24-18,238.64

Finding the Fourth Proportional to 31,674.58, 43,698.24 and 18,238.64

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Solution

The fourth proportional to 31,674.58, 43,698.24 and 18,238.64 is: 25,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,674.58 : 43,698.24 = 18,238.64 : x
  2. Step 2: Convert to fraction form
    31,674.58/43,698.24 = 18,238.64/x
  3. Step 3: Cross multiply
    31,674.58x = 43,698.24 × 18,238.64
  4. Step 4: Simplify right side
    31,674.58x = 796,996,467.99
  5. Step 5: Solve for x
    x = 796,996,467.99/31,674.58
  6. Step 6: Final answer
    x = 25,162.02

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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.