Home / 50,270.28-75,406.50-15,209.88

Finding the Fourth Proportional to 50,270.28, 75,406.50 and 15,209.88

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Solution

The fourth proportional to 50,270.28, 75,406.50 and 15,209.88 is: 22,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,270.28 : 75,406.50 = 15,209.88 : x
  2. Step 2: Convert to fraction form
    50,270.28/75,406.50 = 15,209.88/x
  3. Step 3: Cross multiply
    50,270.28x = 75,406.50 × 15,209.88
  4. Step 4: Simplify right side
    50,270.28x = 1,146,923,816.22
  5. Step 5: Solve for x
    x = 1,146,923,816.22/50,270.28
  6. Step 6: Final answer
    x = 22,815.15

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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.