Finding the Fourth Proportional to 57,072.07, 85,586.82 and 19,621.54
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Solution
The fourth proportional to 57,072.07, 85,586.82 and 19,621.54 is: 29,424.99
Step by Step Solution
- Step 1: Write the proportion equation
57,072.07 : 85,586.82 = 19,621.54 : x - Step 2: Convert to fraction form
57,072.07/85,586.82 = 19,621.54/x - Step 3: Cross multiply
57,072.07x = 85,586.82 × 19,621.54 - Step 4: Simplify right side
57,072.07x = 1,679,345,212.10 - Step 5: Solve for x
x = 1,679,345,212.10/57,072.07 - Step 6: Final answer
x = 29,424.99
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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.