Home / 31,898.36-47,816.31-11,893.21

Finding the Fourth Proportional to 31,898.36, 47,816.31 and 11,893.21

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Solution

The fourth proportional to 31,898.36, 47,816.31 and 11,893.21 is: 17,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,898.36 : 47,816.31 = 11,893.21 : x
  2. Step 2: Convert to fraction form
    31,898.36/47,816.31 = 11,893.21/x
  3. Step 3: Cross multiply
    31,898.36x = 47,816.31 × 11,893.21
  4. Step 4: Simplify right side
    31,898.36x = 568,689,416.26
  5. Step 5: Solve for x
    x = 568,689,416.26/31,898.36
  6. Step 6: Final answer
    x = 17,828.17

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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.