Home / 49,262.31-73,831.50-21,149.10

Finding the Fourth Proportional to 49,262.31, 73,831.50 and 21,149.10

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Solution

The fourth proportional to 49,262.31, 73,831.50 and 21,149.10 is: 31,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,262.31 : 73,831.50 = 21,149.10 : x
  2. Step 2: Convert to fraction form
    49,262.31/73,831.50 = 21,149.10/x
  3. Step 3: Cross multiply
    49,262.31x = 73,831.50 × 21,149.10
  4. Step 4: Simplify right side
    49,262.31x = 1,561,469,776.65
  5. Step 5: Solve for x
    x = 1,561,469,776.65/49,262.31
  6. Step 6: Final answer
    x = 31,697.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.