Home / 50,004.72-75,007.13-20,422.55

Finding the Fourth Proportional to 50,004.72, 75,007.13 and 20,422.55

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Solution

The fourth proportional to 50,004.72, 75,007.13 and 20,422.55 is: 30,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,004.72 : 75,007.13 = 20,422.55 : x
  2. Step 2: Convert to fraction form
    50,004.72/75,007.13 = 20,422.55/x
  3. Step 3: Cross multiply
    50,004.72x = 75,007.13 × 20,422.55
  4. Step 4: Simplify right side
    50,004.72x = 1,531,836,862.78
  5. Step 5: Solve for x
    x = 1,531,836,862.78/50,004.72
  6. Step 6: Final answer
    x = 30,633.85

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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.