Home / 33,131.27-45,723.08-18,791.67

Finding the Fourth Proportional to 33,131.27, 45,723.08 and 18,791.67

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Solution

The fourth proportional to 33,131.27, 45,723.08 and 18,791.67 is: 25,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,131.27 : 45,723.08 = 18,791.67 : x
  2. Step 2: Convert to fraction form
    33,131.27/45,723.08 = 18,791.67/x
  3. Step 3: Cross multiply
    33,131.27x = 45,723.08 × 18,791.67
  4. Step 4: Simplify right side
    33,131.27x = 859,213,030.74
  5. Step 5: Solve for x
    x = 859,213,030.74/33,131.27
  6. Step 6: Final answer
    x = 25,933.60

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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.