Finding the Fourth Proportional to 71,567.43, 107,353.58 and 18,982.23
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Solution
The fourth proportional to 71,567.43, 107,353.58 and 18,982.23 is: 28,473.99
Step by Step Solution
- Step 1: Write the proportion equation
71,567.43 : 107,353.58 = 18,982.23 : x - Step 2: Convert to fraction form
71,567.43/107,353.58 = 18,982.23/x - Step 3: Cross multiply
71,567.43x = 107,353.58 × 18,982.23 - Step 4: Simplify right side
71,567.43x = 2,037,810,251.97 - Step 5: Solve for x
x = 2,037,810,251.97/71,567.43 - Step 6: Final answer
x = 28,473.99
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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.