Home / 43,951.22-65,938.02-12,786.46

Finding the Fourth Proportional to 43,951.22, 65,938.02 and 12,786.46

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Solution

The fourth proportional to 43,951.22, 65,938.02 and 12,786.46 is: 19,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,951.22 : 65,938.02 = 12,786.46 : x
  2. Step 2: Convert to fraction form
    43,951.22/65,938.02 = 12,786.46/x
  3. Step 3: Cross multiply
    43,951.22x = 65,938.02 × 12,786.46
  4. Step 4: Simplify right side
    43,951.22x = 843,113,855.21
  5. Step 5: Solve for x
    x = 843,113,855.21/43,951.22
  6. Step 6: Final answer
    x = 19,182.95

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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.