Home / 55,754.27-76,940.96-30,260.64

Finding the Fourth Proportional to 55,754.27, 76,940.96 and 30,260.64

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Solution

The fourth proportional to 55,754.27, 76,940.96 and 30,260.64 is: 41,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,754.27 : 76,940.96 = 30,260.64 : x
  2. Step 2: Convert to fraction form
    55,754.27/76,940.96 = 30,260.64/x
  3. Step 3: Cross multiply
    55,754.27x = 76,940.96 × 30,260.64
  4. Step 4: Simplify right side
    55,754.27x = 2,328,282,651.57
  5. Step 5: Solve for x
    x = 2,328,282,651.57/55,754.27
  6. Step 6: Final answer
    x = 41,759.72

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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.