Home / 43,994.21-65,991.32-20,294.75

Finding the Fourth Proportional to 43,994.21, 65,991.32 and 20,294.75

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Solution

The fourth proportional to 43,994.21, 65,991.32 and 20,294.75 is: 30,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,994.21 : 65,991.32 = 20,294.75 : x
  2. Step 2: Convert to fraction form
    43,994.21/65,991.32 = 20,294.75/x
  3. Step 3: Cross multiply
    43,994.21x = 65,991.32 × 20,294.75
  4. Step 4: Simplify right side
    43,994.21x = 1,339,276,960.88
  5. Step 5: Solve for x
    x = 1,339,276,960.88/43,994.21
  6. Step 6: Final answer
    x = 30,442.12

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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.