Finding the Fourth Proportional to 69,310.32, 103,950.15 and 19,376.99
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Solution
The fourth proportional to 69,310.32, 103,950.15 and 19,376.99 is: 29,061.20
Step by Step Solution
- Step 1: Write the proportion equation
69,310.32 : 103,950.15 = 19,376.99 : x - Step 2: Convert to fraction form
69,310.32/103,950.15 = 19,376.99/x - Step 3: Cross multiply
69,310.32x = 103,950.15 × 19,376.99 - Step 4: Simplify right side
69,310.32x = 2,014,240,923.44 - Step 5: Solve for x
x = 2,014,240,923.44/69,310.32 - Step 6: Final answer
x = 29,061.20
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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.