Home / 50,318.21-75,511.26-20,735.39

Finding the Fourth Proportional to 50,318.21, 75,511.26 and 20,735.39

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Solution

The fourth proportional to 50,318.21, 75,511.26 and 20,735.39 is: 31,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,318.21 : 75,511.26 = 20,735.39 : x
  2. Step 2: Convert to fraction form
    50,318.21/75,511.26 = 20,735.39/x
  3. Step 3: Cross multiply
    50,318.21x = 75,511.26 × 20,735.39
  4. Step 4: Simplify right side
    50,318.21x = 1,565,755,672.59
  5. Step 5: Solve for x
    x = 1,565,755,672.59/50,318.21
  6. Step 6: Final answer
    x = 31,117.08

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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.