Home / 43,209.88-64,741.08-30,667.84

Finding the Fourth Proportional to 43,209.88, 64,741.08 and 30,667.84

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Solution

The fourth proportional to 43,209.88, 64,741.08 and 30,667.84 is: 45,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,209.88 : 64,741.08 = 30,667.84 : x
  2. Step 2: Convert to fraction form
    43,209.88/64,741.08 = 30,667.84/x
  3. Step 3: Cross multiply
    43,209.88x = 64,741.08 × 30,667.84
  4. Step 4: Simplify right side
    43,209.88x = 1,985,469,082.87
  5. Step 5: Solve for x
    x = 1,985,469,082.87/43,209.88
  6. Step 6: Final answer
    x = 45,949.42

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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.