Home / 51,724.98-77,601.78-20,582.10

Finding the Fourth Proportional to 51,724.98, 77,601.78 and 20,582.10

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Solution

The fourth proportional to 51,724.98, 77,601.78 and 20,582.10 is: 30,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,724.98 : 77,601.78 = 20,582.10 : x
  2. Step 2: Convert to fraction form
    51,724.98/77,601.78 = 20,582.10/x
  3. Step 3: Cross multiply
    51,724.98x = 77,601.78 × 20,582.10
  4. Step 4: Simplify right side
    51,724.98x = 1,597,207,596.14
  5. Step 5: Solve for x
    x = 1,597,207,596.14/51,724.98
  6. Step 6: Final answer
    x = 30,878.84

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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.