Home / 38,640.72-53,441.58-34,660.38

Finding the Fourth Proportional to 38,640.72, 53,441.58 and 34,660.38

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Solution

The fourth proportional to 38,640.72, 53,441.58 and 34,660.38 is: 47,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640.72 : 53,441.58 = 34,660.38 : x
  2. Step 2: Convert to fraction form
    38,640.72/53,441.58 = 34,660.38/x
  3. Step 3: Cross multiply
    38,640.72x = 53,441.58 × 34,660.38
  4. Step 4: Simplify right side
    38,640.72x = 1,852,305,470.60
  5. Step 5: Solve for x
    x = 1,852,305,470.60/38,640.72
  6. Step 6: Final answer
    x = 47,936.62

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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.