Home / 48,636.18-67,134.68-28,499.58

Finding the Fourth Proportional to 48,636.18, 67,134.68 and 28,499.58

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Solution

The fourth proportional to 48,636.18, 67,134.68 and 28,499.58 is: 39,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,636.18 : 67,134.68 = 28,499.58 : x
  2. Step 2: Convert to fraction form
    48,636.18/67,134.68 = 28,499.58/x
  3. Step 3: Cross multiply
    48,636.18x = 67,134.68 × 28,499.58
  4. Step 4: Simplify right side
    48,636.18x = 1,913,310,183.43
  5. Step 5: Solve for x
    x = 1,913,310,183.43/48,636.18
  6. Step 6: Final answer
    x = 39,339.24

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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.