Home / 43,318.32-64,958.04-19,932

Finding the Fourth Proportional to 43,318.32, 64,958.04 and 19,932

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Solution

The fourth proportional to 43,318.32, 64,958.04 and 19,932 is: 29,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,318.32 : 64,958.04 = 19,932 : x
  2. Step 2: Convert to fraction form
    43,318.32/64,958.04 = 19,932/x
  3. Step 3: Cross multiply
    43,318.32x = 64,958.04 × 19,932
  4. Step 4: Simplify right side
    43,318.32x = 1,294,743,653.28
  5. Step 5: Solve for x
    x = 1,294,743,653.28/43,318.32
  6. Step 6: Final answer
    x = 29,889.06

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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.