Home / 31,940.38-47,935.68-22,148.56

Finding the Fourth Proportional to 31,940.38, 47,935.68 and 22,148.56

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Solution

The fourth proportional to 31,940.38, 47,935.68 and 22,148.56 is: 33,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940.38 : 47,935.68 = 22,148.56 : x
  2. Step 2: Convert to fraction form
    31,940.38/47,935.68 = 22,148.56/x
  3. Step 3: Cross multiply
    31,940.38x = 47,935.68 × 22,148.56
  4. Step 4: Simplify right side
    31,940.38x = 1,061,706,284.62
  5. Step 5: Solve for x
    x = 1,061,706,284.62/31,940.38
  6. Step 6: Final answer
    x = 33,240.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.