Home / 48,671.64-67,154.13-28,517.72

Finding the Fourth Proportional to 48,671.64, 67,154.13 and 28,517.72

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Solution

The fourth proportional to 48,671.64, 67,154.13 and 28,517.72 is: 39,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,671.64 : 67,154.13 = 28,517.72 : x
  2. Step 2: Convert to fraction form
    48,671.64/67,154.13 = 28,517.72/x
  3. Step 3: Cross multiply
    48,671.64x = 67,154.13 × 28,517.72
  4. Step 4: Simplify right side
    48,671.64x = 1,915,082,340.41
  5. Step 5: Solve for x
    x = 1,915,082,340.41/48,671.64
  6. Step 6: Final answer
    x = 39,346.99

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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.