Home / 33,141.16-45,736.40-18,994.04

Finding the Fourth Proportional to 33,141.16, 45,736.40 and 18,994.04

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Solution

The fourth proportional to 33,141.16, 45,736.40 and 18,994.04 is: 26,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,141.16 : 45,736.40 = 18,994.04 : x
  2. Step 2: Convert to fraction form
    33,141.16/45,736.40 = 18,994.04/x
  3. Step 3: Cross multiply
    33,141.16x = 45,736.40 × 18,994.04
  4. Step 4: Simplify right side
    33,141.16x = 868,719,011.06
  5. Step 5: Solve for x
    x = 868,719,011.06/33,141.16
  6. Step 6: Final answer
    x = 26,212.69

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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.