Finding the Fourth Proportional to 45,725.31, 63,101.89 and 27,575.99
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Solution
The fourth proportional to 45,725.31, 63,101.89 and 27,575.99 is: 38,055.45
Step by Step Solution
- Step 1: Write the proportion equation
45,725.31 : 63,101.89 = 27,575.99 : x - Step 2: Convert to fraction form
45,725.31/63,101.89 = 27,575.99/x - Step 3: Cross multiply
45,725.31x = 63,101.89 × 27,575.99 - Step 4: Simplify right side
45,725.31x = 1,740,097,243.05 - Step 5: Solve for x
x = 1,740,097,243.05/45,725.31 - Step 6: Final answer
x = 38,055.45
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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.