Home / 31,684.48-47,537.44-11,968.72

Finding the Fourth Proportional to 31,684.48, 47,537.44 and 11,968.72

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Solution

The fourth proportional to 31,684.48, 47,537.44 and 11,968.72 is: 17,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,684.48 : 47,537.44 = 11,968.72 : x
  2. Step 2: Convert to fraction form
    31,684.48/47,537.44 = 11,968.72/x
  3. Step 3: Cross multiply
    31,684.48x = 47,537.44 × 11,968.72
  4. Step 4: Simplify right side
    31,684.48x = 568,962,308.88
  5. Step 5: Solve for x
    x = 568,962,308.88/31,684.48
  6. Step 6: Final answer
    x = 17,957.13

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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.