Home / 49,805.38-68,756.34-31,674.34

Finding the Fourth Proportional to 49,805.38, 68,756.34 and 31,674.34

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Solution

The fourth proportional to 49,805.38, 68,756.34 and 31,674.34 is: 43,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,805.38 : 68,756.34 = 31,674.34 : x
  2. Step 2: Convert to fraction form
    49,805.38/68,756.34 = 31,674.34/x
  3. Step 3: Cross multiply
    49,805.38x = 68,756.34 × 31,674.34
  4. Step 4: Simplify right side
    49,805.38x = 2,177,811,895.04
  5. Step 5: Solve for x
    x = 2,177,811,895.04/49,805.38
  6. Step 6: Final answer
    x = 43,726.44

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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.