Home / 43,221.48-64,861.38-16,922.94

Finding the Fourth Proportional to 43,221.48, 64,861.38 and 16,922.94

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Solution

The fourth proportional to 43,221.48, 64,861.38 and 16,922.94 is: 25,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.48 : 64,861.38 = 16,922.94 : x
  2. Step 2: Convert to fraction form
    43,221.48/64,861.38 = 16,922.94/x
  3. Step 3: Cross multiply
    43,221.48x = 64,861.38 × 16,922.94
  4. Step 4: Simplify right side
    43,221.48x = 1,097,645,242.06
  5. Step 5: Solve for x
    x = 1,097,645,242.06/43,221.48
  6. Step 6: Final answer
    x = 25,395.83

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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.