Home / 33,147.74-45,733.56-18,805.19

Finding the Fourth Proportional to 33,147.74, 45,733.56 and 18,805.19

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Solution

The fourth proportional to 33,147.74, 45,733.56 and 18,805.19 is: 25,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,147.74 : 45,733.56 = 18,805.19 : x
  2. Step 2: Convert to fraction form
    33,147.74/45,733.56 = 18,805.19/x
  3. Step 3: Cross multiply
    33,147.74x = 45,733.56 × 18,805.19
  4. Step 4: Simplify right side
    33,147.74x = 860,028,285.18
  5. Step 5: Solve for x
    x = 860,028,285.18/33,147.74
  6. Step 6: Final answer
    x = 25,945.31

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Double scale
Find fourth proportional to 33,148.74, 45,734.94 and 18,806.19
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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.