Home / 43,590.28-65,375.69-20,213.68

Finding the Fourth Proportional to 43,590.28, 65,375.69 and 20,213.68

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Solution

The fourth proportional to 43,590.28, 65,375.69 and 20,213.68 is: 30,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,590.28 : 65,375.69 = 20,213.68 : x
  2. Step 2: Convert to fraction form
    43,590.28/65,375.69 = 20,213.68/x
  3. Step 3: Cross multiply
    43,590.28x = 65,375.69 × 20,213.68
  4. Step 4: Simplify right side
    43,590.28x = 1,321,483,277.44
  5. Step 5: Solve for x
    x = 1,321,483,277.44/43,590.28
  6. Step 6: Final answer
    x = 30,316.01

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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.