Finding the Fourth Proportional to 71,541.18, 107,313.80 and 18,950.67
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Solution
The fourth proportional to 71,541.18, 107,313.80 and 18,950.67 is: 28,426.54
Step by Step Solution
- Step 1: Write the proportion equation
71,541.18 : 107,313.80 = 18,950.67 : x - Step 2: Convert to fraction form
71,541.18/107,313.80 = 18,950.67/x - Step 3: Cross multiply
71,541.18x = 107,313.80 × 18,950.67 - Step 4: Simplify right side
71,541.18x = 2,033,668,410.25 - Step 5: Solve for x
x = 2,033,668,410.25/71,541.18 - Step 6: Final answer
x = 28,426.54
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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.