Finding the Fourth Proportional to 39,266.60, 54,170.34 and 26,515.70
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Solution
The fourth proportional to 39,266.60, 54,170.34 and 26,515.70 is: 36,579.81
Step by Step Solution
- Step 1: Write the proportion equation
39,266.60 : 54,170.34 = 26,515.70 : x - Step 2: Convert to fraction form
39,266.60/54,170.34 = 26,515.70/x - Step 3: Cross multiply
39,266.60x = 54,170.34 × 26,515.70 - Step 4: Simplify right side
39,266.60x = 1,436,364,845.63 - Step 5: Solve for x
x = 1,436,364,845.63/39,266.60 - Step 6: Final answer
x = 36,579.81
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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.