Finding the Fourth Proportional to 48.14, 72.12 and 24.05
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Solution
The fourth proportional to 48.14, 72.12 and 24.05 is: 36.02
Step by Step Solution
- Step 1: Write the proportion equation
48.14 : 72.12 = 24.05 : x - Step 2: Convert to fraction form
48.14/72.12 = 24.05/x - Step 3: Cross multiply
48.14x = 72.12 × 24.05 - Step 4: Simplify right side
48.14x = 1,734.15 - Step 5: Solve for x
x = 1,734.15/48.14 - Step 6: Final answer
x = 36.02
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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.