Home / 38,191.60-57,338.70-22,412.80

Finding the Fourth Proportional to 38,191.60, 57,338.70 and 22,412.80

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Solution

The fourth proportional to 38,191.60, 57,338.70 and 22,412.80 is: 33,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.60 : 57,338.70 = 22,412.80 : x
  2. Step 2: Convert to fraction form
    38,191.60/57,338.70 = 22,412.80/x
  3. Step 3: Cross multiply
    38,191.60x = 57,338.70 × 22,412.80
  4. Step 4: Simplify right side
    38,191.60x = 1,285,120,815.36
  5. Step 5: Solve for x
    x = 1,285,120,815.36/38,191.60
  6. Step 6: Final answer
    x = 33,649.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.