Home / 43,815.48-65,722.26-12,224.70

Finding the Fourth Proportional to 43,815.48, 65,722.26 and 12,224.70

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Solution

The fourth proportional to 43,815.48, 65,722.26 and 12,224.70 is: 18,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,815.48 : 65,722.26 = 12,224.70 : x
  2. Step 2: Convert to fraction form
    43,815.48/65,722.26 = 12,224.70/x
  3. Step 3: Cross multiply
    43,815.48x = 65,722.26 × 12,224.70
  4. Step 4: Simplify right side
    43,815.48x = 803,434,911.82
  5. Step 5: Solve for x
    x = 803,434,911.82/43,815.48
  6. Step 6: Final answer
    x = 18,336.78

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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.