Home / 43,790.33-65,694.72-14,205.86

Finding the Fourth Proportional to 43,790.33, 65,694.72 and 14,205.86

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Solution

The fourth proportional to 43,790.33, 65,694.72 and 14,205.86 is: 21,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,790.33 : 65,694.72 = 14,205.86 : x
  2. Step 2: Convert to fraction form
    43,790.33/65,694.72 = 14,205.86/x
  3. Step 3: Cross multiply
    43,790.33x = 65,694.72 × 14,205.86
  4. Step 4: Simplify right side
    43,790.33x = 933,249,995.06
  5. Step 5: Solve for x
    x = 933,249,995.06/43,790.33
  6. Step 6: Final answer
    x = 21,311.78

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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.