Finding the Fourth Proportional to 30,931.20, 46,420.12 and 22,632.62
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Solution
The fourth proportional to 30,931.20, 46,420.12 and 22,632.62 is: 33,965.99
Step by Step Solution
- Step 1: Write the proportion equation
30,931.20 : 46,420.12 = 22,632.62 : x - Step 2: Convert to fraction form
30,931.20/46,420.12 = 22,632.62/x - Step 3: Cross multiply
30,931.20x = 46,420.12 × 22,632.62 - Step 4: Simplify right side
30,931.20x = 1,050,608,936.31 - Step 5: Solve for x
x = 1,050,608,936.31/30,931.20 - Step 6: Final answer
x = 33,965.99
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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.