Home / 55,419.12-76,379.49-41,958.12

Finding the Fourth Proportional to 55,419.12, 76,379.49 and 41,958.12

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Solution

The fourth proportional to 55,419.12, 76,379.49 and 41,958.12 is: 57,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419.12 : 76,379.49 = 41,958.12 : x
  2. Step 2: Convert to fraction form
    55,419.12/76,379.49 = 41,958.12/x
  3. Step 3: Cross multiply
    55,419.12x = 76,379.49 × 41,958.12
  4. Step 4: Simplify right side
    55,419.12x = 3,204,739,806.96
  5. Step 5: Solve for x
    x = 3,204,739,806.96/55,419.12
  6. Step 6: Final answer
    x = 57,827.33

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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.