Home / 34,515.10-51,736.20-19,692.10

Finding the Fourth Proportional to 34,515.10, 51,736.20 and 19,692.10

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Solution

The fourth proportional to 34,515.10, 51,736.20 and 19,692.10 is: 29,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,515.10 : 51,736.20 = 19,692.10 : x
  2. Step 2: Convert to fraction form
    34,515.10/51,736.20 = 19,692.10/x
  3. Step 3: Cross multiply
    34,515.10x = 51,736.20 × 19,692.10
  4. Step 4: Simplify right side
    34,515.10x = 1,018,794,424.02
  5. Step 5: Solve for x
    x = 1,018,794,424.02/34,515.10
  6. Step 6: Final answer
    x = 29,517.35

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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.