Home / 30,600.60-45,892.56-8,408.72

Finding the Fourth Proportional to 30,600.60, 45,892.56 and 8,408.72

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Solution

The fourth proportional to 30,600.60, 45,892.56 and 8,408.72 is: 12,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600.60 : 45,892.56 = 8,408.72 : x
  2. Step 2: Convert to fraction form
    30,600.60/45,892.56 = 8,408.72/x
  3. Step 3: Cross multiply
    30,600.60x = 45,892.56 × 8,408.72
  4. Step 4: Simplify right side
    30,600.60x = 385,897,687.12
  5. Step 5: Solve for x
    x = 385,897,687.12/30,600.60
  6. Step 6: Final answer
    x = 12,610.79

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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.