Home / 55,540.55-76,645.64-30,046.83

Finding the Fourth Proportional to 55,540.55, 76,645.64 and 30,046.83

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Solution

The fourth proportional to 55,540.55, 76,645.64 and 30,046.83 is: 41,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.55 : 76,645.64 = 30,046.83 : x
  2. Step 2: Convert to fraction form
    55,540.55/76,645.64 = 30,046.83/x
  3. Step 3: Cross multiply
    55,540.55x = 76,645.64 × 30,046.83
  4. Step 4: Simplify right side
    55,540.55x = 2,302,958,365.09
  5. Step 5: Solve for x
    x = 2,302,958,365.09/55,540.55
  6. Step 6: Final answer
    x = 41,464.45

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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.