Home / 49,416.99-68,205.14-38,640.54

Finding the Fourth Proportional to 49,416.99, 68,205.14 and 38,640.54

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Solution

The fourth proportional to 49,416.99, 68,205.14 and 38,640.54 is: 53,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,416.99 : 68,205.14 = 38,640.54 : x
  2. Step 2: Convert to fraction form
    49,416.99/68,205.14 = 38,640.54/x
  3. Step 3: Cross multiply
    49,416.99x = 68,205.14 × 38,640.54
  4. Step 4: Simplify right side
    49,416.99x = 2,635,483,647.84
  5. Step 5: Solve for x
    x = 2,635,483,647.84/49,416.99
  6. Step 6: Final answer
    x = 53,331.53

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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.