Home / 50,121.96-75,191.40-16,845.20

Finding the Fourth Proportional to 50,121.96, 75,191.40 and 16,845.20

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Solution

The fourth proportional to 50,121.96, 75,191.40 and 16,845.20 is: 25,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,121.96 : 75,191.40 = 16,845.20 : x
  2. Step 2: Convert to fraction form
    50,121.96/75,191.40 = 16,845.20/x
  3. Step 3: Cross multiply
    50,121.96x = 75,191.40 × 16,845.20
  4. Step 4: Simplify right side
    50,121.96x = 1,266,614,171.28
  5. Step 5: Solve for x
    x = 1,266,614,171.28/50,121.96
  6. Step 6: Final answer
    x = 25,270.64

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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.