Finding the Fourth Proportional to 48, 72.03 and 19.50
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Solution
The fourth proportional to 48, 72.03 and 19.50 is: 29.26
Step by Step Solution
- Step 1: Write the proportion equation
48 : 72.03 = 19.50 : x - Step 2: Convert to fraction form
48/72.03 = 19.50/x - Step 3: Cross multiply
48x = 72.03 × 19.50 - Step 4: Simplify right side
48x = 1,404.59 - Step 5: Solve for x
x = 1,404.59/48 - Step 6: Final answer
x = 29.26
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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.