Home / 41,968.46-57,920.66-31,339.64

Finding the Fourth Proportional to 41,968.46, 57,920.66 and 31,339.64

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Solution

The fourth proportional to 41,968.46, 57,920.66 and 31,339.64 is: 43,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,968.46 : 57,920.66 = 31,339.64 : x
  2. Step 2: Convert to fraction form
    41,968.46/57,920.66 = 31,339.64/x
  3. Step 3: Cross multiply
    41,968.46x = 57,920.66 × 31,339.64
  4. Step 4: Simplify right side
    41,968.46x = 1,815,212,632.96
  5. Step 5: Solve for x
    x = 1,815,212,632.96/41,968.46
  6. Step 6: Final answer
    x = 43,251.83

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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.