Home / 43,768.72-65,639.30-14,179.70

Finding the Fourth Proportional to 43,768.72, 65,639.30 and 14,179.70

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Solution

The fourth proportional to 43,768.72, 65,639.30 and 14,179.70 is: 21,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,768.72 : 65,639.30 = 14,179.70 : x
  2. Step 2: Convert to fraction form
    43,768.72/65,639.30 = 14,179.70/x
  3. Step 3: Cross multiply
    43,768.72x = 65,639.30 × 14,179.70
  4. Step 4: Simplify right side
    43,768.72x = 930,745,582.21
  5. Step 5: Solve for x
    x = 930,745,582.21/43,768.72
  6. Step 6: Final answer
    x = 21,265.09

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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.