Home / 43,319.22-64,981.14-13,739.41

Finding the Fourth Proportional to 43,319.22, 64,981.14 and 13,739.41

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Solution

The fourth proportional to 43,319.22, 64,981.14 and 13,739.41 is: 20,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,319.22 : 64,981.14 = 13,739.41 : x
  2. Step 2: Convert to fraction form
    43,319.22/64,981.14 = 13,739.41/x
  3. Step 3: Cross multiply
    43,319.22x = 64,981.14 × 13,739.41
  4. Step 4: Simplify right side
    43,319.22x = 892,802,524.73
  5. Step 5: Solve for x
    x = 892,802,524.73/43,319.22
  6. Step 6: Final answer
    x = 20,609.85

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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.