Home / 49,395.80-68,179.38-30,522.26

Finding the Fourth Proportional to 49,395.80, 68,179.38 and 30,522.26

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Solution

The fourth proportional to 49,395.80, 68,179.38 and 30,522.26 is: 42,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,395.80 : 68,179.38 = 30,522.26 : x
  2. Step 2: Convert to fraction form
    49,395.80/68,179.38 = 30,522.26/x
  3. Step 3: Cross multiply
    49,395.80x = 68,179.38 × 30,522.26
  4. Step 4: Simplify right side
    49,395.80x = 2,080,988,763.00
  5. Step 5: Solve for x
    x = 2,080,988,763.00/49,395.80
  6. Step 6: Final answer
    x = 42,128.86

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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.