Home / 51,816.55-77,724.83-18,552.55

Finding the Fourth Proportional to 51,816.55, 77,724.83 and 18,552.55

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Solution

The fourth proportional to 51,816.55, 77,724.83 and 18,552.55 is: 27,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,816.55 : 77,724.83 = 18,552.55 : x
  2. Step 2: Convert to fraction form
    51,816.55/77,724.83 = 18,552.55/x
  3. Step 3: Cross multiply
    51,816.55x = 77,724.83 × 18,552.55
  4. Step 4: Simplify right side
    51,816.55x = 1,441,993,702.05
  5. Step 5: Solve for x
    x = 1,441,993,702.05/51,816.55
  6. Step 6: Final answer
    x = 27,828.83

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Similar ratio
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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.