Home / 40,830.20-61,245.58-11,249.64

Finding the Fourth Proportional to 40,830.20, 61,245.58 and 11,249.64

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Solution

The fourth proportional to 40,830.20, 61,245.58 and 11,249.64 is: 16,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,830.20 : 61,245.58 = 11,249.64 : x
  2. Step 2: Convert to fraction form
    40,830.20/61,245.58 = 11,249.64/x
  3. Step 3: Cross multiply
    40,830.20x = 61,245.58 × 11,249.64
  4. Step 4: Simplify right side
    40,830.20x = 688,990,726.59
  5. Step 5: Solve for x
    x = 688,990,726.59/40,830.20
  6. Step 6: Final answer
    x = 16,874.54

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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.