Home / 43,433.78-65,164.50-19,414.37

Finding the Fourth Proportional to 43,433.78, 65,164.50 and 19,414.37

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Solution

The fourth proportional to 43,433.78, 65,164.50 and 19,414.37 is: 29,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,433.78 : 65,164.50 = 19,414.37 : x
  2. Step 2: Convert to fraction form
    43,433.78/65,164.50 = 19,414.37/x
  3. Step 3: Cross multiply
    43,433.78x = 65,164.50 × 19,414.37
  4. Step 4: Simplify right side
    43,433.78x = 1,265,127,388.04
  5. Step 5: Solve for x
    x = 1,265,127,388.04/43,433.78
  6. Step 6: Final answer
    x = 29,127.73

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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.