Home / 33,001.68-45,542.03-18,664.33

Finding the Fourth Proportional to 33,001.68, 45,542.03 and 18,664.33

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Solution

The fourth proportional to 33,001.68, 45,542.03 and 18,664.33 is: 25,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,001.68 : 45,542.03 = 18,664.33 : x
  2. Step 2: Convert to fraction form
    33,001.68/45,542.03 = 18,664.33/x
  3. Step 3: Cross multiply
    33,001.68x = 45,542.03 × 18,664.33
  4. Step 4: Simplify right side
    33,001.68x = 850,011,476.79
  5. Step 5: Solve for x
    x = 850,011,476.79/33,001.68
  6. Step 6: Final answer
    x = 25,756.61

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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.