Home / 50,778.16-76,123.40-19,635.28

Finding the Fourth Proportional to 50,778.16, 76,123.40 and 19,635.28

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Solution

The fourth proportional to 50,778.16, 76,123.40 and 19,635.28 is: 29,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,778.16 : 76,123.40 = 19,635.28 : x
  2. Step 2: Convert to fraction form
    50,778.16/76,123.40 = 19,635.28/x
  3. Step 3: Cross multiply
    50,778.16x = 76,123.40 × 19,635.28
  4. Step 4: Simplify right side
    50,778.16x = 1,494,704,273.55
  5. Step 5: Solve for x
    x = 1,494,704,273.55/50,778.16
  6. Step 6: Final answer
    x = 29,435.97

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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.