Home / 55,704.37-76,872.07-30,210.73

Finding the Fourth Proportional to 55,704.37, 76,872.07 and 30,210.73

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Solution

The fourth proportional to 55,704.37, 76,872.07 and 30,210.73 is: 41,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,704.37 : 76,872.07 = 30,210.73 : x
  2. Step 2: Convert to fraction form
    55,704.37/76,872.07 = 30,210.73/x
  3. Step 3: Cross multiply
    55,704.37x = 76,872.07 × 30,210.73
  4. Step 4: Simplify right side
    55,704.37x = 2,322,361,026.96
  5. Step 5: Solve for x
    x = 2,322,361,026.96/55,704.37
  6. Step 6: Final answer
    x = 41,690.82

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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.