Home / 49,797.05-74,692.80-20,217.87

Finding the Fourth Proportional to 49,797.05, 74,692.80 and 20,217.87

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Solution

The fourth proportional to 49,797.05, 74,692.80 and 20,217.87 is: 30,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,797.05 : 74,692.80 = 20,217.87 : x
  2. Step 2: Convert to fraction form
    49,797.05/74,692.80 = 20,217.87/x
  3. Step 3: Cross multiply
    49,797.05x = 74,692.80 × 20,217.87
  4. Step 4: Simplify right side
    49,797.05x = 1,510,129,320.34
  5. Step 5: Solve for x
    x = 1,510,129,320.34/49,797.05
  6. Step 6: Final answer
    x = 30,325.68

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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.