Finding the Fourth Proportional to 30,262.77, 45,346.71 and 19,145.99
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Solution
The fourth proportional to 30,262.77, 45,346.71 and 19,145.99 is: 28,688.96
Step by Step Solution
- Step 1: Write the proportion equation
30,262.77 : 45,346.71 = 19,145.99 : x - Step 2: Convert to fraction form
30,262.77/45,346.71 = 19,145.99/x - Step 3: Cross multiply
30,262.77x = 45,346.71 × 19,145.99 - Step 4: Simplify right side
30,262.77x = 868,207,429.46 - Step 5: Solve for x
x = 868,207,429.46/30,262.77 - Step 6: Final answer
x = 28,688.96
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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.