Finding the Fourth Proportional to 43,689.97, 60,267.81 and 30,269.08
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Solution
The fourth proportional to 43,689.97, 60,267.81 and 30,269.08 is: 41,754.46
Step by Step Solution
- Step 1: Write the proportion equation
43,689.97 : 60,267.81 = 30,269.08 : x - Step 2: Convert to fraction form
43,689.97/60,267.81 = 30,269.08/x - Step 3: Cross multiply
43,689.97x = 60,267.81 × 30,269.08 - Step 4: Simplify right side
43,689.97x = 1,824,251,162.31 - Step 5: Solve for x
x = 1,824,251,162.31/43,689.97 - Step 6: Final answer
x = 41,754.46
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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.