Home / 55,150.60-82,760.10-28,874.20

Finding the Fourth Proportional to 55,150.60, 82,760.10 and 28,874.20

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Solution

The fourth proportional to 55,150.60, 82,760.10 and 28,874.20 is: 43,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,150.60 : 82,760.10 = 28,874.20 : x
  2. Step 2: Convert to fraction form
    55,150.60/82,760.10 = 28,874.20/x
  3. Step 3: Cross multiply
    55,150.60x = 82,760.10 × 28,874.20
  4. Step 4: Simplify right side
    55,150.60x = 2,389,631,679.42
  5. Step 5: Solve for x
    x = 2,389,631,679.42/55,150.60
  6. Step 6: Final answer
    x = 43,329.21

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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.