Home / 43,502.22-65,262.42-13,922.64

Finding the Fourth Proportional to 43,502.22, 65,262.42 and 13,922.64

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Solution

The fourth proportional to 43,502.22, 65,262.42 and 13,922.64 is: 20,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,502.22 : 65,262.42 = 13,922.64 : x
  2. Step 2: Convert to fraction form
    43,502.22/65,262.42 = 13,922.64/x
  3. Step 3: Cross multiply
    43,502.22x = 65,262.42 × 13,922.64
  4. Step 4: Simplify right side
    43,502.22x = 908,625,179.19
  5. Step 5: Solve for x
    x = 908,625,179.19/43,502.22
  6. Step 6: Final answer
    x = 20,886.87

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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.