Home / 38,580.54-53,240.90-21,584.70

Finding the Fourth Proportional to 38,580.54, 53,240.90 and 21,584.70

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Solution

The fourth proportional to 38,580.54, 53,240.90 and 21,584.70 is: 29,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,580.54 : 53,240.90 = 21,584.70 : x
  2. Step 2: Convert to fraction form
    38,580.54/53,240.90 = 21,584.70/x
  3. Step 3: Cross multiply
    38,580.54x = 53,240.90 × 21,584.70
  4. Step 4: Simplify right side
    38,580.54x = 1,149,188,854.23
  5. Step 5: Solve for x
    x = 1,149,188,854.23/38,580.54
  6. Step 6: Final answer
    x = 29,786.75

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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.