Home / 43,202.72-64,778.08-16,919.84

Finding the Fourth Proportional to 43,202.72, 64,778.08 and 16,919.84

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Solution

The fourth proportional to 43,202.72, 64,778.08 and 16,919.84 is: 25,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,202.72 : 64,778.08 = 16,919.84 : x
  2. Step 2: Convert to fraction form
    43,202.72/64,778.08 = 16,919.84/x
  3. Step 3: Cross multiply
    43,202.72x = 64,778.08 × 16,919.84
  4. Step 4: Simplify right side
    43,202.72x = 1,096,034,749.11
  5. Step 5: Solve for x
    x = 1,096,034,749.11/43,202.72
  6. Step 6: Final answer
    x = 25,369.58

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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.