Home / 55,380.06-76,424.30-30,229.56

Finding the Fourth Proportional to 55,380.06, 76,424.30 and 30,229.56

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Solution

The fourth proportional to 55,380.06, 76,424.30 and 30,229.56 is: 41,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,380.06 : 76,424.30 = 30,229.56 : x
  2. Step 2: Convert to fraction form
    55,380.06/76,424.30 = 30,229.56/x
  3. Step 3: Cross multiply
    55,380.06x = 76,424.30 × 30,229.56
  4. Step 4: Simplify right side
    55,380.06x = 2,310,272,962.31
  5. Step 5: Solve for x
    x = 2,310,272,962.31/55,380.06
  6. Step 6: Final answer
    x = 41,716.69

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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.