Home / 33,108.44-45,688.17-18,768.07

Finding the Fourth Proportional to 33,108.44, 45,688.17 and 18,768.07

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Solution

The fourth proportional to 33,108.44, 45,688.17 and 18,768.07 is: 25,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,108.44 : 45,688.17 = 18,768.07 : x
  2. Step 2: Convert to fraction form
    33,108.44/45,688.17 = 18,768.07/x
  3. Step 3: Cross multiply
    33,108.44x = 45,688.17 × 18,768.07
  4. Step 4: Simplify right side
    33,108.44x = 857,478,658.51
  5. Step 5: Solve for x
    x = 857,478,658.51/33,108.44
  6. Step 6: Final answer
    x = 25,899.09

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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.