Finding the Fourth Proportional to 74,646.24, 111,972.60 and 24,730.80
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Solution
The fourth proportional to 74,646.24, 111,972.60 and 24,730.80 is: 37,097.27
Step by Step Solution
- Step 1: Write the proportion equation
74,646.24 : 111,972.60 = 24,730.80 : x - Step 2: Convert to fraction form
74,646.24/111,972.60 = 24,730.80/x - Step 3: Cross multiply
74,646.24x = 111,972.60 × 24,730.80 - Step 4: Simplify right side
74,646.24x = 2,769,171,976.08 - Step 5: Solve for x
x = 2,769,171,976.08/74,646.24 - Step 6: Final answer
x = 37,097.27
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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.