Finding the Fourth Proportional to 29,378.40, 44,092.80 and 11,860.80
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Solution
The fourth proportional to 29,378.40, 44,092.80 and 11,860.80 is: 17,801.37
Step by Step Solution
- Step 1: Write the proportion equation
29,378.40 : 44,092.80 = 11,860.80 : x - Step 2: Convert to fraction form
29,378.40/44,092.80 = 11,860.80/x - Step 3: Cross multiply
29,378.40x = 44,092.80 × 11,860.80 - Step 4: Simplify right side
29,378.40x = 522,975,882.24 - Step 5: Solve for x
x = 522,975,882.24/29,378.40 - Step 6: Final answer
x = 17,801.37
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1.5x scale
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.