Home / 49,771.84-68,673.36-28,256.92

Finding the Fourth Proportional to 49,771.84, 68,673.36 and 28,256.92

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Solution

The fourth proportional to 49,771.84, 68,673.36 and 28,256.92 is: 38,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,771.84 : 68,673.36 = 28,256.92 : x
  2. Step 2: Convert to fraction form
    49,771.84/68,673.36 = 28,256.92/x
  3. Step 3: Cross multiply
    49,771.84x = 68,673.36 × 28,256.92
  4. Step 4: Simplify right side
    49,771.84x = 1,940,497,639.65
  5. Step 5: Solve for x
    x = 1,940,497,639.65/49,771.84
  6. Step 6: Final answer
    x = 38,987.86

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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.