Home / 27,631.67-41,412.06-20,116.18

Finding the Fourth Proportional to 27,631.67, 41,412.06 and 20,116.18

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Solution

The fourth proportional to 27,631.67, 41,412.06 and 20,116.18 is: 30,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.67 : 41,412.06 = 20,116.18 : x
  2. Step 2: Convert to fraction form
    27,631.67/41,412.06 = 20,116.18/x
  3. Step 3: Cross multiply
    27,631.67x = 41,412.06 × 20,116.18
  4. Step 4: Simplify right side
    27,631.67x = 833,052,504.90
  5. Step 5: Solve for x
    x = 833,052,504.90/27,631.67
  6. Step 6: Final answer
    x = 30,148.47

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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.