Home / 50,456.21-75,684.31-20,841.49

Finding the Fourth Proportional to 50,456.21, 75,684.31 and 20,841.49

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Solution

The fourth proportional to 50,456.21, 75,684.31 and 20,841.49 is: 31,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,456.21 : 75,684.31 = 20,841.49 : x
  2. Step 2: Convert to fraction form
    50,456.21/75,684.31 = 20,841.49/x
  3. Step 3: Cross multiply
    50,456.21x = 75,684.31 × 20,841.49
  4. Step 4: Simplify right side
    50,456.21x = 1,577,373,737.92
  5. Step 5: Solve for x
    x = 1,577,373,737.92/50,456.21
  6. Step 6: Final answer
    x = 31,262.23

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1.5x scale

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.