Finding the Fourth Proportional to 35.78, 53.71 and 33.99
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Solution
The fourth proportional to 35.78, 53.71 and 33.99 is: 51.02
Step by Step Solution
- Step 1: Write the proportion equation
35.78 : 53.71 = 33.99 : x - Step 2: Convert to fraction form
35.78/53.71 = 33.99/x - Step 3: Cross multiply
35.78x = 53.71 × 33.99 - Step 4: Simplify right side
35.78x = 1,825.52 - Step 5: Solve for x
x = 1,825.52/35.78 - Step 6: Final answer
x = 51.02
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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.