Finding the Fourth Proportional to 55,047.52, 75,965.52 and 29,897.04
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Solution
The fourth proportional to 55,047.52, 75,965.52 and 29,897.04 is: 41,257.88
Step by Step Solution
- Step 1: Write the proportion equation
55,047.52 : 75,965.52 = 29,897.04 : x - Step 2: Convert to fraction form
55,047.52/75,965.52 = 29,897.04/x - Step 3: Cross multiply
55,047.52x = 75,965.52 × 29,897.04 - Step 4: Simplify right side
55,047.52x = 2,271,144,190.06 - Step 5: Solve for x
x = 2,271,144,190.06/55,047.52 - Step 6: Final answer
x = 41,257.88
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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.