Home / 38,580.05-53,240.20-21,584.21

Finding the Fourth Proportional to 38,580.05, 53,240.20 and 21,584.21

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Solution

The fourth proportional to 38,580.05, 53,240.20 and 21,584.21 is: 29,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,580.05 : 53,240.20 = 21,584.21 : x
  2. Step 2: Convert to fraction form
    38,580.05/53,240.20 = 21,584.21/x
  3. Step 3: Cross multiply
    38,580.05x = 53,240.20 × 21,584.21
  4. Step 4: Simplify right side
    38,580.05x = 1,149,147,657.24
  5. Step 5: Solve for x
    x = 1,149,147,657.24/38,580.05
  6. Step 6: Final answer
    x = 29,786.06

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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.