Home / 55,163.76-76,125.64-30,013.36

Finding the Fourth Proportional to 55,163.76, 76,125.64 and 30,013.36

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Solution

The fourth proportional to 55,163.76, 76,125.64 and 30,013.36 is: 41,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,163.76 : 76,125.64 = 30,013.36 : x
  2. Step 2: Convert to fraction form
    55,163.76/76,125.64 = 30,013.36/x
  3. Step 3: Cross multiply
    55,163.76x = 76,125.64 × 30,013.36
  4. Step 4: Simplify right side
    55,163.76x = 2,284,786,238.55
  5. Step 5: Solve for x
    x = 2,284,786,238.55/55,163.76
  6. Step 6: Final answer
    x = 41,418.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.