Home / 49,144.41-67,821.65-27,640.89

Finding the Fourth Proportional to 49,144.41, 67,821.65 and 27,640.89

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Solution

The fourth proportional to 49,144.41, 67,821.65 and 27,640.89 is: 38,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,144.41 : 67,821.65 = 27,640.89 : x
  2. Step 2: Convert to fraction form
    49,144.41/67,821.65 = 27,640.89/x
  3. Step 3: Cross multiply
    49,144.41x = 67,821.65 × 27,640.89
  4. Step 4: Simplify right side
    49,144.41x = 1,874,650,767.27
  5. Step 5: Solve for x
    x = 1,874,650,767.27/49,144.41
  6. Step 6: Final answer
    x = 38,145.76

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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.