Home / 53,401.25-80,107.36-20,149.30

Finding the Fourth Proportional to 53,401.25, 80,107.36 and 20,149.30

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Solution

The fourth proportional to 53,401.25, 80,107.36 and 20,149.30 is: 30,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,401.25 : 80,107.36 = 20,149.30 : x
  2. Step 2: Convert to fraction form
    53,401.25/80,107.36 = 20,149.30/x
  3. Step 3: Cross multiply
    53,401.25x = 80,107.36 × 20,149.30
  4. Step 4: Simplify right side
    53,401.25x = 1,614,106,978.21
  5. Step 5: Solve for x
    x = 1,614,106,978.21/53,401.25
  6. Step 6: Final answer
    x = 30,226.01

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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.