Finding the Fourth Proportional to 40,502.09, 55,892.75 and 22,597.09
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Solution
The fourth proportional to 40,502.09, 55,892.75 and 22,597.09 is: 31,183.90
Step by Step Solution
- Step 1: Write the proportion equation
40,502.09 : 55,892.75 = 22,597.09 : x - Step 2: Convert to fraction form
40,502.09/55,892.75 = 22,597.09/x - Step 3: Cross multiply
40,502.09x = 55,892.75 × 22,597.09 - Step 4: Simplify right side
40,502.09x = 1,263,013,249.38 - Step 5: Solve for x
x = 1,263,013,249.38/40,502.09 - Step 6: Final answer
x = 31,183.90
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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.