Home / 48,857.60-67,418.88-29,991.68

Finding the Fourth Proportional to 48,857.60, 67,418.88 and 29,991.68

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Solution

The fourth proportional to 48,857.60, 67,418.88 and 29,991.68 is: 41,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,857.60 : 67,418.88 = 29,991.68 : x
  2. Step 2: Convert to fraction form
    48,857.60/67,418.88 = 29,991.68/x
  3. Step 3: Cross multiply
    48,857.60x = 67,418.88 × 29,991.68
  4. Step 4: Simplify right side
    48,857.60x = 2,022,005,474.92
  5. Step 5: Solve for x
    x = 2,022,005,474.92/48,857.60
  6. Step 6: Final answer
    x = 41,385.69

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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.