Home / 43,483.03-65,249.15-18,520.47

Finding the Fourth Proportional to 43,483.03, 65,249.15 and 18,520.47

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Solution

The fourth proportional to 43,483.03, 65,249.15 and 18,520.47 is: 27,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,483.03 : 65,249.15 = 18,520.47 : x
  2. Step 2: Convert to fraction form
    43,483.03/65,249.15 = 18,520.47/x
  3. Step 3: Cross multiply
    43,483.03x = 65,249.15 × 18,520.47
  4. Step 4: Simplify right side
    43,483.03x = 1,208,445,016.01
  5. Step 5: Solve for x
    x = 1,208,445,016.01/43,483.03
  6. Step 6: Final answer
    x = 27,791.19

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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.