Home / 57,172.20-85,815.90-27,613.80

Finding the Fourth Proportional to 57,172.20, 85,815.90 and 27,613.80

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Solution

The fourth proportional to 57,172.20, 85,815.90 and 27,613.80 is: 41,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.20 : 85,815.90 = 27,613.80 : x
  2. Step 2: Convert to fraction form
    57,172.20/85,815.90 = 27,613.80/x
  3. Step 3: Cross multiply
    57,172.20x = 85,815.90 × 27,613.80
  4. Step 4: Simplify right side
    57,172.20x = 2,369,703,099.42
  5. Step 5: Solve for x
    x = 2,369,703,099.42/57,172.20
  6. Step 6: Final answer
    x = 41,448.52

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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.