Home / 50,435.20-75,729.60-38,761.60

Finding the Fourth Proportional to 50,435.20, 75,729.60 and 38,761.60

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Solution

The fourth proportional to 50,435.20, 75,729.60 and 38,761.60 is: 58,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,435.20 : 75,729.60 = 38,761.60 : x
  2. Step 2: Convert to fraction form
    50,435.20/75,729.60 = 38,761.60/x
  3. Step 3: Cross multiply
    50,435.20x = 75,729.60 × 38,761.60
  4. Step 4: Simplify right side
    50,435.20x = 2,935,400,463.36
  5. Step 5: Solve for x
    x = 2,935,400,463.36/50,435.20
  6. Step 6: Final answer
    x = 58,201.42

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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.