Home / 43,907.22-65,860.83-20,550.06

Finding the Fourth Proportional to 43,907.22, 65,860.83 and 20,550.06

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Solution

The fourth proportional to 43,907.22, 65,860.83 and 20,550.06 is: 30,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,907.22 : 65,860.83 = 20,550.06 : x
  2. Step 2: Convert to fraction form
    43,907.22/65,860.83 = 20,550.06/x
  3. Step 3: Cross multiply
    43,907.22x = 65,860.83 × 20,550.06
  4. Step 4: Simplify right side
    43,907.22x = 1,353,444,008.15
  5. Step 5: Solve for x
    x = 1,353,444,008.15/43,907.22
  6. Step 6: Final answer
    x = 30,825.09

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1.5x scale

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.