Home / 43,907.05-65,813.34-18,958.85

Finding the Fourth Proportional to 43,907.05, 65,813.34 and 18,958.85

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Solution

The fourth proportional to 43,907.05, 65,813.34 and 18,958.85 is: 28,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,907.05 : 65,813.34 = 18,958.85 : x
  2. Step 2: Convert to fraction form
    43,907.05/65,813.34 = 18,958.85/x
  3. Step 3: Cross multiply
    43,907.05x = 65,813.34 × 18,958.85
  4. Step 4: Simplify right side
    43,907.05x = 1,247,745,241.06
  5. Step 5: Solve for x
    x = 1,247,745,241.06/43,907.05
  6. Step 6: Final answer
    x = 28,417.88

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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.