Home / 43,876.70-65,820.52-14,286.59

Finding the Fourth Proportional to 43,876.70, 65,820.52 and 14,286.59

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Solution

The fourth proportional to 43,876.70, 65,820.52 and 14,286.59 is: 21,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,876.70 : 65,820.52 = 14,286.59 : x
  2. Step 2: Convert to fraction form
    43,876.70/65,820.52 = 14,286.59/x
  3. Step 3: Cross multiply
    43,876.70x = 65,820.52 × 14,286.59
  4. Step 4: Simplify right side
    43,876.70x = 940,350,718.41
  5. Step 5: Solve for x
    x = 940,350,718.41/43,876.70
  6. Step 6: Final answer
    x = 21,431.67

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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.