Finding the Fourth Proportional to 71,623.68, 107,425.60 and 19,037.44
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Solution
The fourth proportional to 71,623.68, 107,425.60 and 19,037.44 is: 28,553.52
Step by Step Solution
- Step 1: Write the proportion equation
71,623.68 : 107,425.60 = 19,037.44 : x - Step 2: Convert to fraction form
71,623.68/107,425.60 = 19,037.44/x - Step 3: Cross multiply
71,623.68x = 107,425.60 × 19,037.44 - Step 4: Simplify right side
71,623.68x = 2,045,108,414.46 - Step 5: Solve for x
x = 2,045,108,414.46/71,623.68 - Step 6: Final answer
x = 28,553.52
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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.