Home / 43,819.46-65,738.04-13,838.39

Finding the Fourth Proportional to 43,819.46, 65,738.04 and 13,838.39

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Solution

The fourth proportional to 43,819.46, 65,738.04 and 13,838.39 is: 20,760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,819.46 : 65,738.04 = 13,838.39 : x
  2. Step 2: Convert to fraction form
    43,819.46/65,738.04 = 13,838.39/x
  3. Step 3: Cross multiply
    43,819.46x = 65,738.04 × 13,838.39
  4. Step 4: Simplify right side
    43,819.46x = 909,708,237.47
  5. Step 5: Solve for x
    x = 909,708,237.47/43,819.46
  6. Step 6: Final answer
    x = 20,760.37

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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.