Home / 51,751.26-77,626.87-16,690.91

Finding the Fourth Proportional to 51,751.26, 77,626.87 and 16,690.91

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Solution

The fourth proportional to 51,751.26, 77,626.87 and 16,690.91 is: 25,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,751.26 : 77,626.87 = 16,690.91 : x
  2. Step 2: Convert to fraction form
    51,751.26/77,626.87 = 16,690.91/x
  3. Step 3: Cross multiply
    51,751.26x = 77,626.87 × 16,690.91
  4. Step 4: Simplify right side
    51,751.26x = 1,295,663,100.75
  5. Step 5: Solve for x
    x = 1,295,663,100.75/51,751.26
  6. Step 6: Final answer
    x = 25,036.36

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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.