Home / 33,168.12-45,769.68-18,828.24

Finding the Fourth Proportional to 33,168.12, 45,769.68 and 18,828.24

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Solution

The fourth proportional to 33,168.12, 45,769.68 and 18,828.24 is: 25,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,168.12 : 45,769.68 = 18,828.24 : x
  2. Step 2: Convert to fraction form
    33,168.12/45,769.68 = 18,828.24/x
  3. Step 3: Cross multiply
    33,168.12x = 45,769.68 × 18,828.24
  4. Step 4: Simplify right side
    33,168.12x = 861,762,519.76
  5. Step 5: Solve for x
    x = 861,762,519.76/33,168.12
  6. Step 6: Final answer
    x = 25,981.65

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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.