Home / 50,815.38-76,223.10-21,217.08

Finding the Fourth Proportional to 50,815.38, 76,223.10 and 21,217.08

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Solution

The fourth proportional to 50,815.38, 76,223.10 and 21,217.08 is: 31,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.38 : 76,223.10 = 21,217.08 : x
  2. Step 2: Convert to fraction form
    50,815.38/76,223.10 = 21,217.08/x
  3. Step 3: Cross multiply
    50,815.38x = 76,223.10 × 21,217.08
  4. Step 4: Simplify right side
    50,815.38x = 1,617,231,610.55
  5. Step 5: Solve for x
    x = 1,617,231,610.55/50,815.38
  6. Step 6: Final answer
    x = 31,825.63

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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.