Home / 48,680.40-73,015.20-13,623.60

Finding the Fourth Proportional to 48,680.40, 73,015.20 and 13,623.60

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Solution

The fourth proportional to 48,680.40, 73,015.20 and 13,623.60 is: 20,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,680.40 : 73,015.20 = 13,623.60 : x
  2. Step 2: Convert to fraction form
    48,680.40/73,015.20 = 13,623.60/x
  3. Step 3: Cross multiply
    48,680.40x = 73,015.20 × 13,623.60
  4. Step 4: Simplify right side
    48,680.40x = 994,729,878.72
  5. Step 5: Solve for x
    x = 994,729,878.72/48,680.40
  6. Step 6: Final answer
    x = 20,433.89

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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.