Home / 49,979.30-68,963.60-28,754.46

Finding the Fourth Proportional to 49,979.30, 68,963.60 and 28,754.46

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Solution

The fourth proportional to 49,979.30, 68,963.60 and 28,754.46 is: 39,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.30 : 68,963.60 = 28,754.46 : x
  2. Step 2: Convert to fraction form
    49,979.30/68,963.60 = 28,754.46/x
  3. Step 3: Cross multiply
    49,979.30x = 68,963.60 × 28,754.46
  4. Step 4: Simplify right side
    49,979.30x = 1,983,011,149.54
  5. Step 5: Solve for x
    x = 1,983,011,149.54/49,979.30
  6. Step 6: Final answer
    x = 39,676.65

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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.