Home / 43,022.72-64,534.44-11,859.68

Finding the Fourth Proportional to 43,022.72, 64,534.44 and 11,859.68

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Solution

The fourth proportional to 43,022.72, 64,534.44 and 11,859.68 is: 17,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,022.72 : 64,534.44 = 11,859.68 : x
  2. Step 2: Convert to fraction form
    43,022.72/64,534.44 = 11,859.68/x
  3. Step 3: Cross multiply
    43,022.72x = 64,534.44 × 11,859.68
  4. Step 4: Simplify right side
    43,022.72x = 765,357,807.38
  5. Step 5: Solve for x
    x = 765,357,807.38/43,022.72
  6. Step 6: Final answer
    x = 17,789.62

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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.