Home / 48,410.62-72,647.13-20,708.86

Finding the Fourth Proportional to 48,410.62, 72,647.13 and 20,708.86

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Solution

The fourth proportional to 48,410.62, 72,647.13 and 20,708.86 is: 31,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,410.62 : 72,647.13 = 20,708.86 : x
  2. Step 2: Convert to fraction form
    48,410.62/72,647.13 = 20,708.86/x
  3. Step 3: Cross multiply
    48,410.62x = 72,647.13 × 20,708.86
  4. Step 4: Simplify right side
    48,410.62x = 1,504,439,244.57
  5. Step 5: Solve for x
    x = 1,504,439,244.57/48,410.62
  6. Step 6: Final answer
    x = 31,076.64

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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.