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Finding the Fourth Proportional to 30,626.33, 45,910.34 and 9,835.25

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Solution

The fourth proportional to 30,626.33, 45,910.34 and 9,835.25 is: 14,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.33 : 45,910.34 = 9,835.25 : x
  2. Step 2: Convert to fraction form
    30,626.33/45,910.34 = 9,835.25/x
  3. Step 3: Cross multiply
    30,626.33x = 45,910.34 × 9,835.25
  4. Step 4: Simplify right side
    30,626.33x = 451,539,622.31
  5. Step 5: Solve for x
    x = 451,539,622.31/30,626.33
  6. Step 6: Final answer
    x = 14,743.51

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1.5x scale

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.