Home / 43,834.16-65,709.63-14,231.30

Finding the Fourth Proportional to 43,834.16, 65,709.63 and 14,231.30

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Solution

The fourth proportional to 43,834.16, 65,709.63 and 14,231.30 is: 21,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,834.16 : 65,709.63 = 14,231.30 : x
  2. Step 2: Convert to fraction form
    43,834.16/65,709.63 = 14,231.30/x
  3. Step 3: Cross multiply
    43,834.16x = 65,709.63 × 14,231.30
  4. Step 4: Simplify right side
    43,834.16x = 935,133,128.87
  5. Step 5: Solve for x
    x = 935,133,128.87/43,834.16
  6. Step 6: Final answer
    x = 21,333.43

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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.