Finding the Fourth Proportional to 79,643.19, 119,482.07 and 24,237.75
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Solution
The fourth proportional to 79,643.19, 119,482.07 and 24,237.75 is: 36,361.88
Step by Step Solution
- Step 1: Write the proportion equation
79,643.19 : 119,482.07 = 24,237.75 : x - Step 2: Convert to fraction form
79,643.19/119,482.07 = 24,237.75/x - Step 3: Cross multiply
79,643.19x = 119,482.07 × 24,237.75 - Step 4: Simplify right side
79,643.19x = 2,895,976,420.95 - Step 5: Solve for x
x = 2,895,976,420.95/79,643.19 - Step 6: Final answer
x = 36,361.88
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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.