Home / 36,815.10-50,806.92-21,716.58

Finding the Fourth Proportional to 36,815.10, 50,806.92 and 21,716.58

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Solution

The fourth proportional to 36,815.10, 50,806.92 and 21,716.58 is: 29,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.10 : 50,806.92 = 21,716.58 : x
  2. Step 2: Convert to fraction form
    36,815.10/50,806.92 = 21,716.58/x
  3. Step 3: Cross multiply
    36,815.10x = 50,806.92 × 21,716.58
  4. Step 4: Simplify right side
    36,815.10x = 1,103,352,542.73
  5. Step 5: Solve for x
    x = 1,103,352,542.73/36,815.10
  6. Step 6: Final answer
    x = 29,970.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.