Finding the Fourth Proportional to 40.67, 60.93 and 39.99
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Solution
The fourth proportional to 40.67, 60.93 and 39.99 is: 59.92
Step by Step Solution
- Step 1: Write the proportion equation
40.67 : 60.93 = 39.99 : x - Step 2: Convert to fraction form
40.67/60.93 = 39.99/x - Step 3: Cross multiply
40.67x = 60.93 × 39.99 - Step 4: Simplify right side
40.67x = 2,436.59 - Step 5: Solve for x
x = 2,436.59/40.67 - Step 6: Final answer
x = 59.92
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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.