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Finding the Fourth Proportional to 43,951.96, 65,930.64 and 14,372.92

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Solution

The fourth proportional to 43,951.96, 65,930.64 and 14,372.92 is: 21,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,951.96 : 65,930.64 = 14,372.92 : x
  2. Step 2: Convert to fraction form
    43,951.96/65,930.64 = 14,372.92/x
  3. Step 3: Cross multiply
    43,951.96x = 65,930.64 × 14,372.92
  4. Step 4: Simplify right side
    43,951.96x = 947,615,814.27
  5. Step 5: Solve for x
    x = 947,615,814.27/43,951.96
  6. Step 6: Final answer
    x = 21,560.26

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1.5x scale

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.