Finding the Fourth Proportional to 40.83, 61.17 and 17.99
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Solution
The fourth proportional to 40.83, 61.17 and 17.99 is: 26.94
Step by Step Solution
- Step 1: Write the proportion equation
40.83 : 61.17 = 17.99 : x - Step 2: Convert to fraction form
40.83/61.17 = 17.99/x - Step 3: Cross multiply
40.83x = 61.17 × 17.99 - Step 4: Simplify right side
40.83x = 1,100.14 - Step 5: Solve for x
x = 1,100.14/40.83 - Step 6: Final answer
x = 26.94
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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.