Finding the Fourth Proportional to 22,103.79, 33,155.73 and 18,199.99
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Solution
The fourth proportional to 22,103.79, 33,155.73 and 18,199.99 is: 27,300.03
Step by Step Solution
- Step 1: Write the proportion equation
22,103.79 : 33,155.73 = 18,199.99 : x - Step 2: Convert to fraction form
22,103.79/33,155.73 = 18,199.99/x - Step 3: Cross multiply
22,103.79x = 33,155.73 × 18,199.99 - Step 4: Simplify right side
22,103.79x = 603,433,995.89 - Step 5: Solve for x
x = 603,433,995.89/22,103.79 - Step 6: Final answer
x = 27,300.03
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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.