Finding the Fourth Proportional to 50,356.48, 69,492 and 28,000
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Solution
The fourth proportional to 50,356.48, 69,492 and 28,000 is: 38,640.03
Step by Step Solution
- Step 1: Write the proportion equation
50,356.48 : 69,492 = 28,000 : x - Step 2: Convert to fraction form
50,356.48/69,492 = 28,000/x - Step 3: Cross multiply
50,356.48x = 69,492 × 28,000 - Step 4: Simplify right side
50,356.48x = 1,945,776,000 - Step 5: Solve for x
x = 1,945,776,000/50,356.48 - Step 6: Final answer
x = 38,640.03
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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.