Home / 57,636.60-86,552.10-38,002.20

Finding the Fourth Proportional to 57,636.60, 86,552.10 and 38,002.20

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Solution

The fourth proportional to 57,636.60, 86,552.10 and 38,002.20 is: 57,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,636.60 : 86,552.10 = 38,002.20 : x
  2. Step 2: Convert to fraction form
    57,636.60/86,552.10 = 38,002.20/x
  3. Step 3: Cross multiply
    57,636.60x = 86,552.10 × 38,002.20
  4. Step 4: Simplify right side
    57,636.60x = 3,289,170,214.62
  5. Step 5: Solve for x
    x = 3,289,170,214.62/57,636.60
  6. Step 6: Final answer
    x = 57,067.39

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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.