Home / 55,464.27-76,540.59-30,313.77

Finding the Fourth Proportional to 55,464.27, 76,540.59 and 30,313.77

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Solution

The fourth proportional to 55,464.27, 76,540.59 and 30,313.77 is: 41,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,464.27 : 76,540.59 = 30,313.77 : x
  2. Step 2: Convert to fraction form
    55,464.27/76,540.59 = 30,313.77/x
  3. Step 3: Cross multiply
    55,464.27x = 76,540.59 × 30,313.77
  4. Step 4: Simplify right side
    55,464.27x = 2,320,233,840.92
  5. Step 5: Solve for x
    x = 2,320,233,840.92/55,464.27
  6. Step 6: Final answer
    x = 41,832.95

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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.