Finding the Fourth Proportional to 40,489.82, 55,876.05 and 22,585.99
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Solution
The fourth proportional to 40,489.82, 55,876.05 and 22,585.99 is: 31,168.72
Step by Step Solution
- Step 1: Write the proportion equation
40,489.82 : 55,876.05 = 22,585.99 : x - Step 2: Convert to fraction form
40,489.82/55,876.05 = 22,585.99/x - Step 3: Cross multiply
40,489.82x = 55,876.05 × 22,585.99 - Step 4: Simplify right side
40,489.82x = 1,262,015,906.54 - Step 5: Solve for x
x = 1,262,015,906.54/40,489.82 - Step 6: Final answer
x = 31,168.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.