Home / 43,921.38-65,874.90-12,333.57

Finding the Fourth Proportional to 43,921.38, 65,874.90 and 12,333.57

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Solution

The fourth proportional to 43,921.38, 65,874.90 and 12,333.57 is: 18,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,921.38 : 65,874.90 = 12,333.57 : x
  2. Step 2: Convert to fraction form
    43,921.38/65,874.90 = 12,333.57/x
  3. Step 3: Cross multiply
    43,921.38x = 65,874.90 × 12,333.57
  4. Step 4: Simplify right side
    43,921.38x = 812,472,690.39
  5. Step 5: Solve for x
    x = 812,472,690.39/43,921.38
  6. Step 6: Final answer
    x = 18,498.34

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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.