Finding the Fourth Proportional to 55,684.84, 83,525.98 and 13,565.08
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Solution
The fourth proportional to 55,684.84, 83,525.98 and 13,565.08 is: 20,347.31
Step by Step Solution
- Step 1: Write the proportion equation
55,684.84 : 83,525.98 = 13,565.08 : x - Step 2: Convert to fraction form
55,684.84/83,525.98 = 13,565.08/x - Step 3: Cross multiply
55,684.84x = 83,525.98 × 13,565.08 - Step 4: Simplify right side
55,684.84x = 1,133,036,600.78 - Step 5: Solve for x
x = 1,133,036,600.78/55,684.84 - Step 6: Final answer
x = 20,347.31
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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.