Home / 43,191.84-64,749.44-16,890.64

Finding the Fourth Proportional to 43,191.84, 64,749.44 and 16,890.64

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Solution

The fourth proportional to 43,191.84, 64,749.44 and 16,890.64 is: 25,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,191.84 : 64,749.44 = 16,890.64 : x
  2. Step 2: Convert to fraction form
    43,191.84/64,749.44 = 16,890.64/x
  3. Step 3: Cross multiply
    43,191.84x = 64,749.44 × 16,890.64
  4. Step 4: Simplify right side
    43,191.84x = 1,093,659,481.24
  5. Step 5: Solve for x
    x = 1,093,659,481.24/43,191.84
  6. Step 6: Final answer
    x = 25,320.97

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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.