Home / 20,529.62-30,794.43-4,947.25

Finding the Fourth Proportional to 20,529.62, 30,794.43 and 4,947.25

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Solution

The fourth proportional to 20,529.62, 30,794.43 and 4,947.25 is: 7,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.62 : 30,794.43 = 4,947.25 : x
  2. Step 2: Convert to fraction form
    20,529.62/30,794.43 = 4,947.25/x
  3. Step 3: Cross multiply
    20,529.62x = 30,794.43 × 4,947.25
  4. Step 4: Simplify right side
    20,529.62x = 152,347,685.38
  5. Step 5: Solve for x
    x = 152,347,685.38/20,529.62
  6. Step 6: Final answer
    x = 7,420.87

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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.