Home / 31,869.24-43,977.48-19,932

Finding the Fourth Proportional to 31,869.24, 43,977.48 and 19,932

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Solution

The fourth proportional to 31,869.24, 43,977.48 and 19,932 is: 27,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869.24 : 43,977.48 = 19,932 : x
  2. Step 2: Convert to fraction form
    31,869.24/43,977.48 = 19,932/x
  3. Step 3: Cross multiply
    31,869.24x = 43,977.48 × 19,932
  4. Step 4: Simplify right side
    31,869.24x = 876,559,131.36
  5. Step 5: Solve for x
    x = 876,559,131.36/31,869.24
  6. Step 6: Final answer
    x = 27,504.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.