Finding the Fourth Proportional to 45.50, 62.79 and 26.09
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Solution
The fourth proportional to 45.50, 62.79 and 26.09 is: 36.00
Step by Step Solution
- Step 1: Write the proportion equation
45.50 : 62.79 = 26.09 : x - Step 2: Convert to fraction form
45.50/62.79 = 26.09/x - Step 3: Cross multiply
45.50x = 62.79 × 26.09 - Step 4: Simplify right side
45.50x = 1,638.19 - Step 5: Solve for x
x = 1,638.19/45.50 - Step 6: Final answer
x = 36.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.