Finding the Fourth Proportional to 67,352.99, 101,000.21 and 19,311.01
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Solution
The fourth proportional to 67,352.99, 101,000.21 and 19,311.01 is: 28,958.12
Step by Step Solution
- Step 1: Write the proportion equation
67,352.99 : 101,000.21 = 19,311.01 : x - Step 2: Convert to fraction form
67,352.99/101,000.21 = 19,311.01/x - Step 3: Cross multiply
67,352.99x = 101,000.21 × 19,311.01 - Step 4: Simplify right side
67,352.99x = 1,950,415,716.26 - Step 5: Solve for x
x = 1,950,415,716.26/67,352.99 - Step 6: Final answer
x = 28,958.12
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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.