Home / 43,873.92-65,811.96-14,290.56

Finding the Fourth Proportional to 43,873.92, 65,811.96 and 14,290.56

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Solution

The fourth proportional to 43,873.92, 65,811.96 and 14,290.56 is: 21,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,873.92 : 65,811.96 = 14,290.56 : x
  2. Step 2: Convert to fraction form
    43,873.92/65,811.96 = 14,290.56/x
  3. Step 3: Cross multiply
    43,873.92x = 65,811.96 × 14,290.56
  4. Step 4: Simplify right side
    43,873.92x = 940,489,763.10
  5. Step 5: Solve for x
    x = 940,489,763.10/43,873.92
  6. Step 6: Final answer
    x = 21,436.19

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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.