Home / 43,634.90-65,391.79-19,884.41

Finding the Fourth Proportional to 43,634.90, 65,391.79 and 19,884.41

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Solution

The fourth proportional to 43,634.90, 65,391.79 and 19,884.41 is: 29,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,634.90 : 65,391.79 = 19,884.41 : x
  2. Step 2: Convert to fraction form
    43,634.90/65,391.79 = 19,884.41/x
  3. Step 3: Cross multiply
    43,634.90x = 65,391.79 × 19,884.41
  4. Step 4: Simplify right side
    43,634.90x = 1,300,277,162.99
  5. Step 5: Solve for x
    x = 1,300,277,162.99/43,634.90
  6. Step 6: Final answer
    x = 29,799.02

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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.