Finding the Fourth Proportional to 40,118.05, 60,141.39 and 19,045.09
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Solution
The fourth proportional to 40,118.05, 60,141.39 and 19,045.09 is: 28,550.69
Step by Step Solution
- Step 1: Write the proportion equation
40,118.05 : 60,141.39 = 19,045.09 : x - Step 2: Convert to fraction form
40,118.05/60,141.39 = 19,045.09/x - Step 3: Cross multiply
40,118.05x = 60,141.39 × 19,045.09 - Step 4: Simplify right side
40,118.05x = 1,145,398,189.03 - Step 5: Solve for x
x = 1,145,398,189.03/40,118.05 - Step 6: Final answer
x = 28,550.69
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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.