Home / 43,823.40-65,764.22-16,121.40

Finding the Fourth Proportional to 43,823.40, 65,764.22 and 16,121.40

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Solution

The fourth proportional to 43,823.40, 65,764.22 and 16,121.40 is: 24,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,823.40 : 65,764.22 = 16,121.40 : x
  2. Step 2: Convert to fraction form
    43,823.40/65,764.22 = 16,121.40/x
  3. Step 3: Cross multiply
    43,823.40x = 65,764.22 × 16,121.40
  4. Step 4: Simplify right side
    43,823.40x = 1,060,211,215.70
  5. Step 5: Solve for x
    x = 1,060,211,215.70/43,823.40
  6. Step 6: Final answer
    x = 24,192.81

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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.