Home / 43,404.12-65,115.99-13,823.64

Finding the Fourth Proportional to 43,404.12, 65,115.99 and 13,823.64

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Solution

The fourth proportional to 43,404.12, 65,115.99 and 13,823.64 is: 20,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.12 : 65,115.99 = 13,823.64 : x
  2. Step 2: Convert to fraction form
    43,404.12/65,115.99 = 13,823.64/x
  3. Step 3: Cross multiply
    43,404.12x = 65,115.99 × 13,823.64
  4. Step 4: Simplify right side
    43,404.12x = 900,140,004.00
  5. Step 5: Solve for x
    x = 900,140,004.00/43,404.12
  6. Step 6: Final answer
    x = 20,738.58

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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.