Home / 43,824.98-65,714.96-20,112.12

Finding the Fourth Proportional to 43,824.98, 65,714.96 and 20,112.12

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Solution

The fourth proportional to 43,824.98, 65,714.96 and 20,112.12 is: 30,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,824.98 : 65,714.96 = 20,112.12 : x
  2. Step 2: Convert to fraction form
    43,824.98/65,714.96 = 20,112.12/x
  3. Step 3: Cross multiply
    43,824.98x = 65,714.96 × 20,112.12
  4. Step 4: Simplify right side
    43,824.98x = 1,321,666,832.74
  5. Step 5: Solve for x
    x = 1,321,666,832.74/43,824.98
  6. Step 6: Final answer
    x = 30,157.84

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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.