Home / 30,668.48-46,004.64-12,200

Finding the Fourth Proportional to 30,668.48, 46,004.64 and 12,200

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Solution

The fourth proportional to 30,668.48, 46,004.64 and 12,200 is: 18,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.48 : 46,004.64 = 12,200 : x
  2. Step 2: Convert to fraction form
    30,668.48/46,004.64 = 12,200/x
  3. Step 3: Cross multiply
    30,668.48x = 46,004.64 × 12,200
  4. Step 4: Simplify right side
    30,668.48x = 561,256,608
  5. Step 5: Solve for x
    x = 561,256,608/30,668.48
  6. Step 6: Final answer
    x = 18,300.76

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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.