Home / 55,379.10-76,424.94-30,228.60

Finding the Fourth Proportional to 55,379.10, 76,424.94 and 30,228.60

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Solution

The fourth proportional to 55,379.10, 76,424.94 and 30,228.60 is: 41,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,379.10 : 76,424.94 = 30,228.60 : x
  2. Step 2: Convert to fraction form
    55,379.10/76,424.94 = 30,228.60/x
  3. Step 3: Cross multiply
    55,379.10x = 76,424.94 × 30,228.60
  4. Step 4: Simplify right side
    55,379.10x = 2,310,218,941.28
  5. Step 5: Solve for x
    x = 2,310,218,941.28/55,379.10
  6. Step 6: Final answer
    x = 41,716.44

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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.