Home / 31,982.82-47,962.71-13,516.26

Finding the Fourth Proportional to 31,982.82, 47,962.71 and 13,516.26

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Solution

The fourth proportional to 31,982.82, 47,962.71 and 13,516.26 is: 20,269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.82 : 47,962.71 = 13,516.26 : x
  2. Step 2: Convert to fraction form
    31,982.82/47,962.71 = 13,516.26/x
  3. Step 3: Cross multiply
    31,982.82x = 47,962.71 × 13,516.26
  4. Step 4: Simplify right side
    31,982.82x = 648,276,458.66
  5. Step 5: Solve for x
    x = 648,276,458.66/31,982.82
  6. Step 6: Final answer
    x = 20,269.52

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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.