Home / 30,103.96-45,163.71-9,043.15

Finding the Fourth Proportional to 30,103.96, 45,163.71 and 9,043.15

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Solution

The fourth proportional to 30,103.96, 45,163.71 and 9,043.15 is: 13,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.96 : 45,163.71 = 9,043.15 : x
  2. Step 2: Convert to fraction form
    30,103.96/45,163.71 = 9,043.15/x
  3. Step 3: Cross multiply
    30,103.96x = 45,163.71 × 9,043.15
  4. Step 4: Simplify right side
    30,103.96x = 408,422,204.09
  5. Step 5: Solve for x
    x = 408,422,204.09/30,103.96
  6. Step 6: Final answer
    x = 13,567.06

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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.