Home / 43,464.28-65,195.84-13,881.72

Finding the Fourth Proportional to 43,464.28, 65,195.84 and 13,881.72

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Solution

The fourth proportional to 43,464.28, 65,195.84 and 13,881.72 is: 20,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,464.28 : 65,195.84 = 13,881.72 : x
  2. Step 2: Convert to fraction form
    43,464.28/65,195.84 = 13,881.72/x
  3. Step 3: Cross multiply
    43,464.28x = 65,195.84 × 13,881.72
  4. Step 4: Simplify right side
    43,464.28x = 905,030,396.04
  5. Step 5: Solve for x
    x = 905,030,396.04/43,464.28
  6. Step 6: Final answer
    x = 20,822.39

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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.