Home / 34,118.60-51,230.70-18,566.60

Finding the Fourth Proportional to 34,118.60, 51,230.70 and 18,566.60

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Solution

The fourth proportional to 34,118.60, 51,230.70 and 18,566.60 is: 27,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,118.60 : 51,230.70 = 18,566.60 : x
  2. Step 2: Convert to fraction form
    34,118.60/51,230.70 = 18,566.60/x
  3. Step 3: Cross multiply
    34,118.60x = 51,230.70 × 18,566.60
  4. Step 4: Simplify right side
    34,118.60x = 951,179,914.62
  5. Step 5: Solve for x
    x = 951,179,914.62/34,118.60
  6. Step 6: Final answer
    x = 27,878.63

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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.