Home / 51,751.28-77,626.94-16,690.95

Finding the Fourth Proportional to 51,751.28, 77,626.94 and 16,690.95

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Solution

The fourth proportional to 51,751.28, 77,626.94 and 16,690.95 is: 25,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,751.28 : 77,626.94 = 16,690.95 : x
  2. Step 2: Convert to fraction form
    51,751.28/77,626.94 = 16,690.95/x
  3. Step 3: Cross multiply
    51,751.28x = 77,626.94 × 16,690.95
  4. Step 4: Simplify right side
    51,751.28x = 1,295,667,290.74
  5. Step 5: Solve for x
    x = 1,295,667,290.74/51,751.28
  6. Step 6: Final answer
    x = 25,036.43

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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.