Home / 55,380.27-76,424.40-30,229.77

Finding the Fourth Proportional to 55,380.27, 76,424.40 and 30,229.77

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Solution

The fourth proportional to 55,380.27, 76,424.40 and 30,229.77 is: 41,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,380.27 : 76,424.40 = 30,229.77 : x
  2. Step 2: Convert to fraction form
    55,380.27/76,424.40 = 30,229.77/x
  3. Step 3: Cross multiply
    55,380.27x = 76,424.40 × 30,229.77
  4. Step 4: Simplify right side
    55,380.27x = 2,310,292,034.39
  5. Step 5: Solve for x
    x = 2,310,292,034.39/55,380.27
  6. Step 6: Final answer
    x = 41,716.88

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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.