Home / 20,626.13-30,939.80-5,043.75

Finding the Fourth Proportional to 20,626.13, 30,939.80 and 5,043.75

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Solution

The fourth proportional to 20,626.13, 30,939.80 and 5,043.75 is: 7,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.13 : 30,939.80 = 5,043.75 : x
  2. Step 2: Convert to fraction form
    20,626.13/30,939.80 = 5,043.75/x
  3. Step 3: Cross multiply
    20,626.13x = 30,939.80 × 5,043.75
  4. Step 4: Simplify right side
    20,626.13x = 156,052,591.03
  5. Step 5: Solve for x
    x = 156,052,591.03/20,626.13
  6. Step 6: Final answer
    x = 7,565.77

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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.