Finding the Fourth Proportional to 67,668.99, 101,517.50 and 20,282.17
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Solution
The fourth proportional to 67,668.99, 101,517.50 and 20,282.17 is: 30,427.46
Step by Step Solution
- Step 1: Write the proportion equation
67,668.99 : 101,517.50 = 20,282.17 : x - Step 2: Convert to fraction form
67,668.99/101,517.50 = 20,282.17/x - Step 3: Cross multiply
67,668.99x = 101,517.50 × 20,282.17 - Step 4: Simplify right side
67,668.99x = 2,058,995,465.75 - Step 5: Solve for x
x = 2,058,995,465.75/67,668.99 - Step 6: Final answer
x = 30,427.46
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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.