Home / 43,438.88-65,163.69-15,353.15

Finding the Fourth Proportional to 43,438.88, 65,163.69 and 15,353.15

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Solution

The fourth proportional to 43,438.88, 65,163.69 and 15,353.15 is: 23,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,438.88 : 65,163.69 = 15,353.15 : x
  2. Step 2: Convert to fraction form
    43,438.88/65,163.69 = 15,353.15/x
  3. Step 3: Cross multiply
    43,438.88x = 65,163.69 × 15,353.15
  4. Step 4: Simplify right side
    43,438.88x = 1,000,467,581.31
  5. Step 5: Solve for x
    x = 1,000,467,581.31/43,438.88
  6. Step 6: Final answer
    x = 23,031.61

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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.