Home / 55,201.20-76,200.60-41,776.24

Finding the Fourth Proportional to 55,201.20, 76,200.60 and 41,776.24

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Solution

The fourth proportional to 55,201.20, 76,200.60 and 41,776.24 is: 57,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.20 : 76,200.60 = 41,776.24 : x
  2. Step 2: Convert to fraction form
    55,201.20/76,200.60 = 41,776.24/x
  3. Step 3: Cross multiply
    55,201.20x = 76,200.60 × 41,776.24
  4. Step 4: Simplify right side
    55,201.20x = 3,183,374,553.74
  5. Step 5: Solve for x
    x = 3,183,374,553.74/55,201.20
  6. Step 6: Final answer
    x = 57,668.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.