Home / 48,601.42-72,902.13-13,540.97

Finding the Fourth Proportional to 48,601.42, 72,902.13 and 13,540.97

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Solution

The fourth proportional to 48,601.42, 72,902.13 and 13,540.97 is: 20,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,601.42 : 72,902.13 = 13,540.97 : x
  2. Step 2: Convert to fraction form
    48,601.42/72,902.13 = 13,540.97/x
  3. Step 3: Cross multiply
    48,601.42x = 72,902.13 × 13,540.97
  4. Step 4: Simplify right side
    48,601.42x = 987,165,555.27
  5. Step 5: Solve for x
    x = 987,165,555.27/48,601.42
  6. Step 6: Final answer
    x = 20,311.46

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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.