Home / 37,982.01-52,414.86-20,986.20

Finding the Fourth Proportional to 37,982.01, 52,414.86 and 20,986.20

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Solution

The fourth proportional to 37,982.01, 52,414.86 and 20,986.20 is: 28,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,982.01 : 52,414.86 = 20,986.20 : x
  2. Step 2: Convert to fraction form
    37,982.01/52,414.86 = 20,986.20/x
  3. Step 3: Cross multiply
    37,982.01x = 52,414.86 × 20,986.20
  4. Step 4: Simplify right side
    37,982.01x = 1,099,988,734.93
  5. Step 5: Solve for x
    x = 1,099,988,734.93/37,982.01
  6. Step 6: Final answer
    x = 28,960.78

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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.