Home / 38,940.75-53,738.24-22,176.99

Finding the Fourth Proportional to 38,940.75, 53,738.24 and 22,176.99

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Solution

The fourth proportional to 38,940.75, 53,738.24 and 22,176.99 is: 30,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,940.75 : 53,738.24 = 22,176.99 : x
  2. Step 2: Convert to fraction form
    38,940.75/53,738.24 = 22,176.99/x
  3. Step 3: Cross multiply
    38,940.75x = 53,738.24 × 22,176.99
  4. Step 4: Simplify right side
    38,940.75x = 1,191,752,300.21
  5. Step 5: Solve for x
    x = 1,191,752,300.21/38,940.75
  6. Step 6: Final answer
    x = 30,604.25

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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.