Home / 49,396.30-68,180.07-30,522.76

Finding the Fourth Proportional to 49,396.30, 68,180.07 and 30,522.76

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Solution

The fourth proportional to 49,396.30, 68,180.07 and 30,522.76 is: 42,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,396.30 : 68,180.07 = 30,522.76 : x
  2. Step 2: Convert to fraction form
    49,396.30/68,180.07 = 30,522.76/x
  3. Step 3: Cross multiply
    49,396.30x = 68,180.07 × 30,522.76
  4. Step 4: Simplify right side
    49,396.30x = 2,081,043,913.39
  5. Step 5: Solve for x
    x = 2,081,043,913.39/49,396.30
  6. Step 6: Final answer
    x = 42,129.55

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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.