Home / 43,977.13-65,912.64-20,252.19

Finding the Fourth Proportional to 43,977.13, 65,912.64 and 20,252.19

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Solution

The fourth proportional to 43,977.13, 65,912.64 and 20,252.19 is: 30,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,977.13 : 65,912.64 = 20,252.19 : x
  2. Step 2: Convert to fraction form
    43,977.13/65,912.64 = 20,252.19/x
  3. Step 3: Cross multiply
    43,977.13x = 65,912.64 × 20,252.19
  4. Step 4: Simplify right side
    43,977.13x = 1,334,875,308.68
  5. Step 5: Solve for x
    x = 1,334,875,308.68/43,977.13
  6. Step 6: Final answer
    x = 30,353.85

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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.