Home / 43,930.60-65,902.30-14,349.80

Finding the Fourth Proportional to 43,930.60, 65,902.30 and 14,349.80

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Solution

The fourth proportional to 43,930.60, 65,902.30 and 14,349.80 is: 21,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,930.60 : 65,902.30 = 14,349.80 : x
  2. Step 2: Convert to fraction form
    43,930.60/65,902.30 = 14,349.80/x
  3. Step 3: Cross multiply
    43,930.60x = 65,902.30 × 14,349.80
  4. Step 4: Simplify right side
    43,930.60x = 945,684,824.54
  5. Step 5: Solve for x
    x = 945,684,824.54/43,930.60
  6. Step 6: Final answer
    x = 21,526.79

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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.