Home / 27,751.62-41,616.66-21,840.12

Finding the Fourth Proportional to 27,751.62, 41,616.66 and 21,840.12

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Solution

The fourth proportional to 27,751.62, 41,616.66 and 21,840.12 is: 32,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,751.62 : 41,616.66 = 21,840.12 : x
  2. Step 2: Convert to fraction form
    27,751.62/41,616.66 = 21,840.12/x
  3. Step 3: Cross multiply
    27,751.62x = 41,616.66 × 21,840.12
  4. Step 4: Simplify right side
    27,751.62x = 908,912,848.40
  5. Step 5: Solve for x
    x = 908,912,848.40/27,751.62
  6. Step 6: Final answer
    x = 32,751.70

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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.