Home / 55,393.86-82,996.26-30,454.80

Finding the Fourth Proportional to 55,393.86, 82,996.26 and 30,454.80

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Solution

The fourth proportional to 55,393.86, 82,996.26 and 30,454.80 is: 45,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,393.86 : 82,996.26 = 30,454.80 : x
  2. Step 2: Convert to fraction form
    55,393.86/82,996.26 = 30,454.80/x
  3. Step 3: Cross multiply
    55,393.86x = 82,996.26 × 30,454.80
  4. Step 4: Simplify right side
    55,393.86x = 2,527,634,499.05
  5. Step 5: Solve for x
    x = 2,527,634,499.05/55,393.86
  6. Step 6: Final answer
    x = 45,630.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.