Home / 33,090.08-45,660.48-18,942.08

Finding the Fourth Proportional to 33,090.08, 45,660.48 and 18,942.08

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Solution

The fourth proportional to 33,090.08, 45,660.48 and 18,942.08 is: 26,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,090.08 : 45,660.48 = 18,942.08 : x
  2. Step 2: Convert to fraction form
    33,090.08/45,660.48 = 18,942.08/x
  3. Step 3: Cross multiply
    33,090.08x = 45,660.48 × 18,942.08
  4. Step 4: Simplify right side
    33,090.08x = 864,904,465.00
  5. Step 5: Solve for x
    x = 864,904,465.00/33,090.08
  6. Step 6: Final answer
    x = 26,137.88

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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.