Home / 38,420.40-57,630.60-16,249.80

Finding the Fourth Proportional to 38,420.40, 57,630.60 and 16,249.80

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Solution

The fourth proportional to 38,420.40, 57,630.60 and 16,249.80 is: 24,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420.40 : 57,630.60 = 16,249.80 : x
  2. Step 2: Convert to fraction form
    38,420.40/57,630.60 = 16,249.80/x
  3. Step 3: Cross multiply
    38,420.40x = 57,630.60 × 16,249.80
  4. Step 4: Simplify right side
    38,420.40x = 936,485,723.88
  5. Step 5: Solve for x
    x = 936,485,723.88/38,420.40
  6. Step 6: Final answer
    x = 24,374.70

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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.