Home / 53,477.20-80,273.40-30,149.20

Finding the Fourth Proportional to 53,477.20, 80,273.40 and 30,149.20

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Solution

The fourth proportional to 53,477.20, 80,273.40 and 30,149.20 is: 45,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,477.20 : 80,273.40 = 30,149.20 : x
  2. Step 2: Convert to fraction form
    53,477.20/80,273.40 = 30,149.20/x
  3. Step 3: Cross multiply
    53,477.20x = 80,273.40 × 30,149.20
  4. Step 4: Simplify right side
    53,477.20x = 2,420,178,791.28
  5. Step 5: Solve for x
    x = 2,420,178,791.28/53,477.20
  6. Step 6: Final answer
    x = 45,256.27

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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.