Finding the Fourth Proportional to 73,794.24, 110,691.62 and 20,490.39
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Solution
The fourth proportional to 73,794.24, 110,691.62 and 20,490.39 is: 30,735.66
Step by Step Solution
- Step 1: Write the proportion equation
73,794.24 : 110,691.62 = 20,490.39 : x - Step 2: Convert to fraction form
73,794.24/110,691.62 = 20,490.39/x - Step 3: Cross multiply
73,794.24x = 110,691.62 × 20,490.39 - Step 4: Simplify right side
73,794.24x = 2,268,114,361.08 - Step 5: Solve for x
x = 2,268,114,361.08/73,794.24 - Step 6: Final answer
x = 30,735.66
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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.