Finding the Fourth Proportional to 67,847.80, 101,771.70 and 18,599.80
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Solution
The fourth proportional to 67,847.80, 101,771.70 and 18,599.80 is: 27,899.70
Step by Step Solution
- Step 1: Write the proportion equation
67,847.80 : 101,771.70 = 18,599.80 : x - Step 2: Convert to fraction form
67,847.80/101,771.70 = 18,599.80/x - Step 3: Cross multiply
67,847.80x = 101,771.70 × 18,599.80 - Step 4: Simplify right side
67,847.80x = 1,892,933,265.66 - Step 5: Solve for x
x = 1,892,933,265.66/67,847.80 - Step 6: Final answer
x = 27,899.70
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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.