Home / 43,672.08-65,538.44-19,982.54

Finding the Fourth Proportional to 43,672.08, 65,538.44 and 19,982.54

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Solution

The fourth proportional to 43,672.08, 65,538.44 and 19,982.54 is: 29,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,672.08 : 65,538.44 = 19,982.54 : x
  2. Step 2: Convert to fraction form
    43,672.08/65,538.44 = 19,982.54/x
  3. Step 3: Cross multiply
    43,672.08x = 65,538.44 × 19,982.54
  4. Step 4: Simplify right side
    43,672.08x = 1,309,624,498.84
  5. Step 5: Solve for x
    x = 1,309,624,498.84/43,672.08
  6. Step 6: Final answer
    x = 29,987.68

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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.