Finding the Fourth Proportional to 50,954.86, 76,291.89 and 38,436.99
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Solution
The fourth proportional to 50,954.86, 76,291.89 and 38,436.99 is: 57,549.58
Step by Step Solution
- Step 1: Write the proportion equation
50,954.86 : 76,291.89 = 38,436.99 : x - Step 2: Convert to fraction form
50,954.86/76,291.89 = 38,436.99/x - Step 3: Cross multiply
50,954.86x = 76,291.89 × 38,436.99 - Step 4: Simplify right side
50,954.86x = 2,932,430,613.01 - Step 5: Solve for x
x = 2,932,430,613.01/50,954.86 - Step 6: Final answer
x = 57,549.58
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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.