Home / 51,819.50-77,729.74-16,759.19

Finding the Fourth Proportional to 51,819.50, 77,729.74 and 16,759.19

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Solution

The fourth proportional to 51,819.50, 77,729.74 and 16,759.19 is: 25,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,819.50 : 77,729.74 = 16,759.19 : x
  2. Step 2: Convert to fraction form
    51,819.50/77,729.74 = 16,759.19/x
  3. Step 3: Cross multiply
    51,819.50x = 77,729.74 × 16,759.19
  4. Step 4: Simplify right side
    51,819.50x = 1,302,687,633.74
  5. Step 5: Solve for x
    x = 1,302,687,633.74/51,819.50
  6. Step 6: Final answer
    x = 25,138.95

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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.