Finding the Fourth Proportional to 39,286.93, 58,930.95 and 11,206.99
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Solution
The fourth proportional to 39,286.93, 58,930.95 and 11,206.99 is: 16,810.64
Step by Step Solution
- Step 1: Write the proportion equation
39,286.93 : 58,930.95 = 11,206.99 : x - Step 2: Convert to fraction form
39,286.93/58,930.95 = 11,206.99/x - Step 3: Cross multiply
39,286.93x = 58,930.95 × 11,206.99 - Step 4: Simplify right side
39,286.93x = 660,438,216.65 - Step 5: Solve for x
x = 660,438,216.65/39,286.93 - Step 6: Final answer
x = 16,810.64
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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.