Home / 43,667.02-65,445.72-18,677.70

Finding the Fourth Proportional to 43,667.02, 65,445.72 and 18,677.70

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Solution

The fourth proportional to 43,667.02, 65,445.72 and 18,677.70 is: 27,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,667.02 : 65,445.72 = 18,677.70 : x
  2. Step 2: Convert to fraction form
    43,667.02/65,445.72 = 18,677.70/x
  3. Step 3: Cross multiply
    43,667.02x = 65,445.72 × 18,677.70
  4. Step 4: Simplify right side
    43,667.02x = 1,222,375,524.44
  5. Step 5: Solve for x
    x = 1,222,375,524.44/43,667.02
  6. Step 6: Final answer
    x = 27,993.11

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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.