Home / 49,580.68-74,378.76-17,993.20

Finding the Fourth Proportional to 49,580.68, 74,378.76 and 17,993.20

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Solution

The fourth proportional to 49,580.68, 74,378.76 and 17,993.20 is: 26,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,580.68 : 74,378.76 = 17,993.20 : x
  2. Step 2: Convert to fraction form
    49,580.68/74,378.76 = 17,993.20/x
  3. Step 3: Cross multiply
    49,580.68x = 74,378.76 × 17,993.20
  4. Step 4: Simplify right side
    49,580.68x = 1,338,311,904.43
  5. Step 5: Solve for x
    x = 1,338,311,904.43/49,580.68
  6. Step 6: Final answer
    x = 26,992.61

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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.