Finding the Fourth Proportional to 47,099.25, 64,968.12 and 27,966.03
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Solution
The fourth proportional to 47,099.25, 64,968.12 and 27,966.03 is: 38,575.99
Step by Step Solution
- Step 1: Write the proportion equation
47,099.25 : 64,968.12 = 27,966.03 : x - Step 2: Convert to fraction form
47,099.25/64,968.12 = 27,966.03/x - Step 3: Cross multiply
47,099.25x = 64,968.12 × 27,966.03 - Step 4: Simplify right side
47,099.25x = 1,816,900,392.96 - Step 5: Solve for x
x = 1,816,900,392.96/47,099.25 - Step 6: Final answer
x = 38,575.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.