Home / 43,322.82-64,964.79-19,936.50

Finding the Fourth Proportional to 43,322.82, 64,964.79 and 19,936.50

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Solution

The fourth proportional to 43,322.82, 64,964.79 and 19,936.50 is: 29,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,322.82 : 64,964.79 = 19,936.50 : x
  2. Step 2: Convert to fraction form
    43,322.82/64,964.79 = 19,936.50/x
  3. Step 3: Cross multiply
    43,322.82x = 64,964.79 × 19,936.50
  4. Step 4: Simplify right side
    43,322.82x = 1,295,170,535.84
  5. Step 5: Solve for x
    x = 1,295,170,535.84/43,322.82
  6. Step 6: Final answer
    x = 29,895.80

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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.