Home / 53,469.20-80,261.40-30,141.20

Finding the Fourth Proportional to 53,469.20, 80,261.40 and 30,141.20

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Solution

The fourth proportional to 53,469.20, 80,261.40 and 30,141.20 is: 45,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,469.20 : 80,261.40 = 30,141.20 : x
  2. Step 2: Convert to fraction form
    53,469.20/80,261.40 = 30,141.20/x
  3. Step 3: Cross multiply
    53,469.20x = 80,261.40 × 30,141.20
  4. Step 4: Simplify right side
    53,469.20x = 2,419,174,909.68
  5. Step 5: Solve for x
    x = 2,419,174,909.68/53,469.20
  6. Step 6: Final answer
    x = 45,244.27

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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.