Home / 33,918.12-50,803.20-20,730.51

Finding the Fourth Proportional to 33,918.12, 50,803.20 and 20,730.51

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Solution

The fourth proportional to 33,918.12, 50,803.20 and 20,730.51 is: 31,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,918.12 : 50,803.20 = 20,730.51 : x
  2. Step 2: Convert to fraction form
    33,918.12/50,803.20 = 20,730.51/x
  3. Step 3: Cross multiply
    33,918.12x = 50,803.20 × 20,730.51
  4. Step 4: Simplify right side
    33,918.12x = 1,053,176,245.63
  5. Step 5: Solve for x
    x = 1,053,176,245.63/33,918.12
  6. Step 6: Final answer
    x = 31,050.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.