Finding the Fourth Proportional to 40.02, 60.02 and 21.99
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Solution
The fourth proportional to 40.02, 60.02 and 21.99 is: 32.98
Step by Step Solution
- Step 1: Write the proportion equation
40.02 : 60.02 = 21.99 : x - Step 2: Convert to fraction form
40.02/60.02 = 21.99/x - Step 3: Cross multiply
40.02x = 60.02 × 21.99 - Step 4: Simplify right side
40.02x = 1,319.84 - Step 5: Solve for x
x = 1,319.84/40.02 - Step 6: Final answer
x = 32.98
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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.