Home / 55,379.48-76,423.92-30,229.52

Finding the Fourth Proportional to 55,379.48, 76,423.92 and 30,229.52

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Solution

The fourth proportional to 55,379.48, 76,423.92 and 30,229.52 is: 41,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,379.48 : 76,423.92 = 30,229.52 : x
  2. Step 2: Convert to fraction form
    55,379.48/76,423.92 = 30,229.52/x
  3. Step 3: Cross multiply
    55,379.48x = 76,423.92 × 30,229.52
  4. Step 4: Simplify right side
    55,379.48x = 2,310,258,418.12
  5. Step 5: Solve for x
    x = 2,310,258,418.12/55,379.48
  6. Step 6: Final answer
    x = 41,716.87

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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.