Finding the Fourth Proportional to 36,107.80, 54,163.11 and 11,145.62
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Solution
The fourth proportional to 36,107.80, 54,163.11 and 11,145.62 is: 16,718.87
Step by Step Solution
- Step 1: Write the proportion equation
36,107.80 : 54,163.11 = 11,145.62 : x - Step 2: Convert to fraction form
36,107.80/54,163.11 = 11,145.62/x - Step 3: Cross multiply
36,107.80x = 54,163.11 × 11,145.62 - Step 4: Simplify right side
36,107.80x = 603,681,442.08 - Step 5: Solve for x
x = 603,681,442.08/36,107.80 - Step 6: Final answer
x = 16,718.87
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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.