Home / 43,454.88-65,159.64-20,097.72

Finding the Fourth Proportional to 43,454.88, 65,159.64 and 20,097.72

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Solution

The fourth proportional to 43,454.88, 65,159.64 and 20,097.72 is: 30,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454.88 : 65,159.64 = 20,097.72 : x
  2. Step 2: Convert to fraction form
    43,454.88/65,159.64 = 20,097.72/x
  3. Step 3: Cross multiply
    43,454.88x = 65,159.64 × 20,097.72
  4. Step 4: Simplify right side
    43,454.88x = 1,309,560,200.02
  5. Step 5: Solve for x
    x = 1,309,560,200.02/43,454.88
  6. Step 6: Final answer
    x = 30,136.09

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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.