Home / 51,913.91-77,824.09-18,626.10

Finding the Fourth Proportional to 51,913.91, 77,824.09 and 18,626.10

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Solution

The fourth proportional to 51,913.91, 77,824.09 and 18,626.10 is: 27,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,913.91 : 77,824.09 = 18,626.10 : x
  2. Step 2: Convert to fraction form
    51,913.91/77,824.09 = 18,626.10/x
  3. Step 3: Cross multiply
    51,913.91x = 77,824.09 × 18,626.10
  4. Step 4: Simplify right side
    51,913.91x = 1,449,559,451.95
  5. Step 5: Solve for x
    x = 1,449,559,451.95/51,913.91
  6. Step 6: Final answer
    x = 27,922.37

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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.