Home / 49,556.46-68,359.11-30,680.22

Finding the Fourth Proportional to 49,556.46, 68,359.11 and 30,680.22

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Solution

The fourth proportional to 49,556.46, 68,359.11 and 30,680.22 is: 42,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,556.46 : 68,359.11 = 30,680.22 : x
  2. Step 2: Convert to fraction form
    49,556.46/68,359.11 = 30,680.22/x
  3. Step 3: Cross multiply
    49,556.46x = 68,359.11 × 30,680.22
  4. Step 4: Simplify right side
    49,556.46x = 2,097,272,533.80
  5. Step 5: Solve for x
    x = 2,097,272,533.80/49,556.46
  6. Step 6: Final answer
    x = 42,320.87

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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.