Home / 43,824.48-65,714.21-20,111.62

Finding the Fourth Proportional to 43,824.48, 65,714.21 and 20,111.62

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Solution

The fourth proportional to 43,824.48, 65,714.21 and 20,111.62 is: 30,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,824.48 : 65,714.21 = 20,111.62 : x
  2. Step 2: Convert to fraction form
    43,824.48/65,714.21 = 20,111.62/x
  3. Step 3: Cross multiply
    43,824.48x = 65,714.21 × 20,111.62
  4. Step 4: Simplify right side
    43,824.48x = 1,321,618,891.55
  5. Step 5: Solve for x
    x = 1,321,618,891.55/43,824.48
  6. Step 6: Final answer
    x = 30,157.09

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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.