Finding the Fourth Proportional to 73,740.38, 110,610.97 and 18,336.38
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Solution
The fourth proportional to 73,740.38, 110,610.97 and 18,336.38 is: 27,504.66
Step by Step Solution
- Step 1: Write the proportion equation
73,740.38 : 110,610.97 = 18,336.38 : x - Step 2: Convert to fraction form
73,740.38/110,610.97 = 18,336.38/x - Step 3: Cross multiply
73,740.38x = 110,610.97 × 18,336.38 - Step 4: Simplify right side
73,740.38x = 2,028,204,179.19 - Step 5: Solve for x
x = 2,028,204,179.19/73,740.38 - Step 6: Final answer
x = 27,504.66
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1.5x scale
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.