Home / 48,178.38-72,226.05-18,616.96

Finding the Fourth Proportional to 48,178.38, 72,226.05 and 18,616.96

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Solution

The fourth proportional to 48,178.38, 72,226.05 and 18,616.96 is: 27,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,178.38 : 72,226.05 = 18,616.96 : x
  2. Step 2: Convert to fraction form
    48,178.38/72,226.05 = 18,616.96/x
  3. Step 3: Cross multiply
    48,178.38x = 72,226.05 × 18,616.96
  4. Step 4: Simplify right side
    48,178.38x = 1,344,629,504.28
  5. Step 5: Solve for x
    x = 1,344,629,504.28/48,178.38
  6. Step 6: Final answer
    x = 27,909.39

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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.