Finding the Fourth Proportional to 36,379.62, 50,183.35 and 21,840.05
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Solution
The fourth proportional to 36,379.62, 50,183.35 and 21,840.05 is: 30,126.95
Step by Step Solution
- Step 1: Write the proportion equation
36,379.62 : 50,183.35 = 21,840.05 : x - Step 2: Convert to fraction form
36,379.62/50,183.35 = 21,840.05/x - Step 3: Cross multiply
36,379.62x = 50,183.35 × 21,840.05 - Step 4: Simplify right side
36,379.62x = 1,096,006,944.03 - Step 5: Solve for x
x = 1,096,006,944.03/36,379.62 - Step 6: Final answer
x = 30,126.95
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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.