Home / 34,064.87-51,105.60-11,878.43

Finding the Fourth Proportional to 34,064.87, 51,105.60 and 11,878.43

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Solution

The fourth proportional to 34,064.87, 51,105.60 and 11,878.43 is: 17,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,064.87 : 51,105.60 = 11,878.43 : x
  2. Step 2: Convert to fraction form
    34,064.87/51,105.60 = 11,878.43/x
  3. Step 3: Cross multiply
    34,064.87x = 51,105.60 × 11,878.43
  4. Step 4: Simplify right side
    34,064.87x = 607,054,036.68
  5. Step 5: Solve for x
    x = 607,054,036.68/34,064.87
  6. Step 6: Final answer
    x = 17,820.53

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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.