Finding the Fourth Proportional to 50,876.07, 70,209.80 and 28,216
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Solution
The fourth proportional to 50,876.07, 70,209.80 and 28,216 is: 38,938.54
Step by Step Solution
- Step 1: Write the proportion equation
50,876.07 : 70,209.80 = 28,216 : x - Step 2: Convert to fraction form
50,876.07/70,209.80 = 28,216/x - Step 3: Cross multiply
50,876.07x = 70,209.80 × 28,216 - Step 4: Simplify right side
50,876.07x = 1,981,039,716.80 - Step 5: Solve for x
x = 1,981,039,716.80/50,876.07 - Step 6: Final answer
x = 38,938.54
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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.