Home / 41,330.50-61,995.78-13,628.50

Finding the Fourth Proportional to 41,330.50, 61,995.78 and 13,628.50

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Solution

The fourth proportional to 41,330.50, 61,995.78 and 13,628.50 is: 20,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,330.50 : 61,995.78 = 13,628.50 : x
  2. Step 2: Convert to fraction form
    41,330.50/61,995.78 = 13,628.50/x
  3. Step 3: Cross multiply
    41,330.50x = 61,995.78 × 13,628.50
  4. Step 4: Simplify right side
    41,330.50x = 844,909,487.73
  5. Step 5: Solve for x
    x = 844,909,487.73/41,330.50
  6. Step 6: Final answer
    x = 20,442.76

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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.