Home / 37,821.60-52,193.36-20,825.48

Finding the Fourth Proportional to 37,821.60, 52,193.36 and 20,825.48

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Solution

The fourth proportional to 37,821.60, 52,193.36 and 20,825.48 is: 28,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.60 : 52,193.36 = 20,825.48 : x
  2. Step 2: Convert to fraction form
    37,821.60/52,193.36 = 20,825.48/x
  3. Step 3: Cross multiply
    37,821.60x = 52,193.36 × 20,825.48
  4. Step 4: Simplify right side
    37,821.60x = 1,086,951,774.81
  5. Step 5: Solve for x
    x = 1,086,951,774.81/37,821.60
  6. Step 6: Final answer
    x = 28,738.92

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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.