Home / 52,949.38-79,433.79-19,692.40

Finding the Fourth Proportional to 52,949.38, 79,433.79 and 19,692.40

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Solution

The fourth proportional to 52,949.38, 79,433.79 and 19,692.40 is: 29,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,949.38 : 79,433.79 = 19,692.40 : x
  2. Step 2: Convert to fraction form
    52,949.38/79,433.79 = 19,692.40/x
  3. Step 3: Cross multiply
    52,949.38x = 79,433.79 × 19,692.40
  4. Step 4: Simplify right side
    52,949.38x = 1,564,241,966.20
  5. Step 5: Solve for x
    x = 1,564,241,966.20/52,949.38
  6. Step 6: Final answer
    x = 29,542.21

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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.