Home / 55,464.09-76,540.44-30,313.59

Finding the Fourth Proportional to 55,464.09, 76,540.44 and 30,313.59

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Solution

The fourth proportional to 55,464.09, 76,540.44 and 30,313.59 is: 41,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,464.09 : 76,540.44 = 30,313.59 : x
  2. Step 2: Convert to fraction form
    55,464.09/76,540.44 = 30,313.59/x
  3. Step 3: Cross multiply
    55,464.09x = 76,540.44 × 30,313.59
  4. Step 4: Simplify right side
    55,464.09x = 2,320,215,516.58
  5. Step 5: Solve for x
    x = 2,320,215,516.58/55,464.09
  6. Step 6: Final answer
    x = 41,832.75

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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.