Home / 33,705.48-50,559.42-12,643.38

Finding the Fourth Proportional to 33,705.48, 50,559.42 and 12,643.38

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Solution

The fourth proportional to 33,705.48, 50,559.42 and 12,643.38 is: 18,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,705.48 : 50,559.42 = 12,643.38 : x
  2. Step 2: Convert to fraction form
    33,705.48/50,559.42 = 12,643.38/x
  3. Step 3: Cross multiply
    33,705.48x = 50,559.42 × 12,643.38
  4. Step 4: Simplify right side
    33,705.48x = 639,241,959.64
  5. Step 5: Solve for x
    x = 639,241,959.64/33,705.48
  6. Step 6: Final answer
    x = 18,965.52

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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.