Finding the Fourth Proportional to 30,056.03, 45,087.05 and 10,331.99
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Solution
The fourth proportional to 30,056.03, 45,087.05 and 10,331.99 is: 15,499.02
Step by Step Solution
- Step 1: Write the proportion equation
30,056.03 : 45,087.05 = 10,331.99 : x - Step 2: Convert to fraction form
30,056.03/45,087.05 = 10,331.99/x - Step 3: Cross multiply
30,056.03x = 45,087.05 × 10,331.99 - Step 4: Simplify right side
30,056.03x = 465,838,949.73 - Step 5: Solve for x
x = 465,838,949.73/30,056.03 - Step 6: Final answer
x = 15,499.02
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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.