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Finding the Fourth Proportional to 30,391.01, 45,586.53 and 8,204.37

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Solution

The fourth proportional to 30,391.01, 45,586.53 and 8,204.37 is: 12,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391.01 : 45,586.53 = 8,204.37 : x
  2. Step 2: Convert to fraction form
    30,391.01/45,586.53 = 8,204.37/x
  3. Step 3: Cross multiply
    30,391.01x = 45,586.53 × 8,204.37
  4. Step 4: Simplify right side
    30,391.01x = 374,008,759.14
  5. Step 5: Solve for x
    x = 374,008,759.14/30,391.01
  6. Step 6: Final answer
    x = 12,306.56

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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.