Home / 55,937.27-83,903.16-20,874.20

Finding the Fourth Proportional to 55,937.27, 83,903.16 and 20,874.20

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Solution

The fourth proportional to 55,937.27, 83,903.16 and 20,874.20 is: 31,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,937.27 : 83,903.16 = 20,874.20 : x
  2. Step 2: Convert to fraction form
    55,937.27/83,903.16 = 20,874.20/x
  3. Step 3: Cross multiply
    55,937.27x = 83,903.16 × 20,874.20
  4. Step 4: Simplify right side
    55,937.27x = 1,751,410,922.96
  5. Step 5: Solve for x
    x = 1,751,410,922.96/55,937.27
  6. Step 6: Final answer
    x = 31,310.27

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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.