Home / 38,847.69-53,608.50-21,852.27

Finding the Fourth Proportional to 38,847.69, 53,608.50 and 21,852.27

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Solution

The fourth proportional to 38,847.69, 53,608.50 and 21,852.27 is: 30,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,847.69 : 53,608.50 = 21,852.27 : x
  2. Step 2: Convert to fraction form
    38,847.69/53,608.50 = 21,852.27/x
  3. Step 3: Cross multiply
    38,847.69x = 53,608.50 × 21,852.27
  4. Step 4: Simplify right side
    38,847.69x = 1,171,467,416.30
  5. Step 5: Solve for x
    x = 1,171,467,416.30/38,847.69
  6. Step 6: Final answer
    x = 30,155.39

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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.