Finding the Fourth Proportional to 40,487.82, 55,870.65 and 22,583.99
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Solution
The fourth proportional to 40,487.82, 55,870.65 and 22,583.99 is: 31,164.48
Step by Step Solution
- Step 1: Write the proportion equation
40,487.82 : 55,870.65 = 22,583.99 : x - Step 2: Convert to fraction form
40,487.82/55,870.65 = 22,583.99/x - Step 3: Cross multiply
40,487.82x = 55,870.65 × 22,583.99 - Step 4: Simplify right side
40,487.82x = 1,261,781,921.54 - Step 5: Solve for x
x = 1,261,781,921.54/40,487.82 - Step 6: Final answer
x = 31,164.48
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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.