Home / 31,917.41-43,950.92-31,209.33

Finding the Fourth Proportional to 31,917.41, 43,950.92 and 31,209.33

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Solution

The fourth proportional to 31,917.41, 43,950.92 and 31,209.33 is: 42,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.41 : 43,950.92 = 31,209.33 : x
  2. Step 2: Convert to fraction form
    31,917.41/43,950.92 = 31,209.33/x
  3. Step 3: Cross multiply
    31,917.41x = 43,950.92 × 31,209.33
  4. Step 4: Simplify right side
    31,917.41x = 1,371,678,610.04
  5. Step 5: Solve for x
    x = 1,371,678,610.04/31,917.41
  6. Step 6: Final answer
    x = 42,975.88

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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.