Home / 37,976.48-52,410.60-20,982.21

Finding the Fourth Proportional to 37,976.48, 52,410.60 and 20,982.21

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Solution

The fourth proportional to 37,976.48, 52,410.60 and 20,982.21 is: 28,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,976.48 : 52,410.60 = 20,982.21 : x
  2. Step 2: Convert to fraction form
    37,976.48/52,410.60 = 20,982.21/x
  3. Step 3: Cross multiply
    37,976.48x = 52,410.60 × 20,982.21
  4. Step 4: Simplify right side
    37,976.48x = 1,099,690,215.43
  5. Step 5: Solve for x
    x = 1,099,690,215.43/37,976.48
  6. Step 6: Final answer
    x = 28,957.14

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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.