Finding the Fourth Proportional to 47,972.13, 66,201.80 and 26,462.63
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Solution
The fourth proportional to 47,972.13, 66,201.80 and 26,462.63 is: 36,518.58
Step by Step Solution
- Step 1: Write the proportion equation
47,972.13 : 66,201.80 = 26,462.63 : x - Step 2: Convert to fraction form
47,972.13/66,201.80 = 26,462.63/x - Step 3: Cross multiply
47,972.13x = 66,201.80 × 26,462.63 - Step 4: Simplify right side
47,972.13x = 1,751,873,771.93 - Step 5: Solve for x
x = 1,751,873,771.93/47,972.13 - Step 6: Final answer
x = 36,518.58
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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.