Home / 20,529.75-30,794.58-4,947.38

Finding the Fourth Proportional to 20,529.75, 30,794.58 and 4,947.38

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Solution

The fourth proportional to 20,529.75, 30,794.58 and 4,947.38 is: 7,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.75 : 30,794.58 = 4,947.38 : x
  2. Step 2: Convert to fraction form
    20,529.75/30,794.58 = 4,947.38/x
  3. Step 3: Cross multiply
    20,529.75x = 30,794.58 × 4,947.38
  4. Step 4: Simplify right side
    20,529.75x = 152,352,450.71
  5. Step 5: Solve for x
    x = 152,352,450.71/20,529.75
  6. Step 6: Final answer
    x = 7,421.06

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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.