Finding the Fourth Proportional to 35.98, 53.94 and 19.95
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Solution
The fourth proportional to 35.98, 53.94 and 19.95 is: 29.91
Step by Step Solution
- Step 1: Write the proportion equation
35.98 : 53.94 = 19.95 : x - Step 2: Convert to fraction form
35.98/53.94 = 19.95/x - Step 3: Cross multiply
35.98x = 53.94 × 19.95 - Step 4: Simplify right side
35.98x = 1,076.10 - Step 5: Solve for x
x = 1,076.10/35.98 - Step 6: Final answer
x = 29.91
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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.