Home / 43,027.20-64,450.08-19,673.28

Finding the Fourth Proportional to 43,027.20, 64,450.08 and 19,673.28

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Solution

The fourth proportional to 43,027.20, 64,450.08 and 19,673.28 is: 29,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,027.20 : 64,450.08 = 19,673.28 : x
  2. Step 2: Convert to fraction form
    43,027.20/64,450.08 = 19,673.28/x
  3. Step 3: Cross multiply
    43,027.20x = 64,450.08 × 19,673.28
  4. Step 4: Simplify right side
    43,027.20x = 1,267,944,469.86
  5. Step 5: Solve for x
    x = 1,267,944,469.86/43,027.20
  6. Step 6: Final answer
    x = 29,468.44

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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.