Home / 34,449.87-51,626.63-18,620.75

Finding the Fourth Proportional to 34,449.87, 51,626.63 and 18,620.75

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Solution

The fourth proportional to 34,449.87, 51,626.63 and 18,620.75 is: 27,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,449.87 : 51,626.63 = 18,620.75 : x
  2. Step 2: Convert to fraction form
    34,449.87/51,626.63 = 18,620.75/x
  3. Step 3: Cross multiply
    34,449.87x = 51,626.63 × 18,620.75
  4. Step 4: Simplify right side
    34,449.87x = 961,326,746.19
  5. Step 5: Solve for x
    x = 961,326,746.19/34,449.87
  6. Step 6: Final answer
    x = 27,905.09

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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.