Home / 43,265.30-64,910.10-18,317.30

Finding the Fourth Proportional to 43,265.30, 64,910.10 and 18,317.30

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Solution

The fourth proportional to 43,265.30, 64,910.10 and 18,317.30 is: 27,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,265.30 : 64,910.10 = 18,317.30 : x
  2. Step 2: Convert to fraction form
    43,265.30/64,910.10 = 18,317.30/x
  3. Step 3: Cross multiply
    43,265.30x = 64,910.10 × 18,317.30
  4. Step 4: Simplify right side
    43,265.30x = 1,188,977,774.73
  5. Step 5: Solve for x
    x = 1,188,977,774.73/43,265.30
  6. Step 6: Final answer
    x = 27,481.09

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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.