Home / 30,296.18-41,794.36-21,348.60

Finding the Fourth Proportional to 30,296.18, 41,794.36 and 21,348.60

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Solution

The fourth proportional to 30,296.18, 41,794.36 and 21,348.60 is: 29,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.18 : 41,794.36 = 21,348.60 : x
  2. Step 2: Convert to fraction form
    30,296.18/41,794.36 = 21,348.60/x
  3. Step 3: Cross multiply
    30,296.18x = 41,794.36 × 21,348.60
  4. Step 4: Simplify right side
    30,296.18x = 892,251,073.90
  5. Step 5: Solve for x
    x = 892,251,073.90/30,296.18
  6. Step 6: Final answer
    x = 29,450.94

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1.5x scale

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.