Home / 49,680.09-68,553.27-30,560.85

Finding the Fourth Proportional to 49,680.09, 68,553.27 and 30,560.85

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Solution

The fourth proportional to 49,680.09, 68,553.27 and 30,560.85 is: 42,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,680.09 : 68,553.27 = 30,560.85 : x
  2. Step 2: Convert to fraction form
    49,680.09/68,553.27 = 30,560.85/x
  3. Step 3: Cross multiply
    49,680.09x = 68,553.27 × 30,560.85
  4. Step 4: Simplify right side
    49,680.09x = 2,095,046,201.48
  5. Step 5: Solve for x
    x = 2,095,046,201.48/49,680.09
  6. Step 6: Final answer
    x = 42,170.74

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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.