Home / 55,391.86-82,993.26-30,452.80

Finding the Fourth Proportional to 55,391.86, 82,993.26 and 30,452.80

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Solution

The fourth proportional to 55,391.86, 82,993.26 and 30,452.80 is: 45,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,391.86 : 82,993.26 = 30,452.80 : x
  2. Step 2: Convert to fraction form
    55,391.86/82,993.26 = 30,452.80/x
  3. Step 3: Cross multiply
    55,391.86x = 82,993.26 × 30,452.80
  4. Step 4: Simplify right side
    55,391.86x = 2,527,377,148.13
  5. Step 5: Solve for x
    x = 2,527,377,148.13/55,391.86
  6. Step 6: Final answer
    x = 45,627.23

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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.