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Finding the Fourth Proportional to 34,692.45, 51,954.80 and 19,856.40

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Solution

The fourth proportional to 34,692.45, 51,954.80 and 19,856.40 is: 29,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,692.45 : 51,954.80 = 19,856.40 : x
  2. Step 2: Convert to fraction form
    34,692.45/51,954.80 = 19,856.40/x
  3. Step 3: Cross multiply
    34,692.45x = 51,954.80 × 19,856.40
  4. Step 4: Simplify right side
    34,692.45x = 1,031,635,191.44
  5. Step 5: Solve for x
    x = 1,031,635,191.44/34,692.45
  6. Step 6: Final answer
    x = 29,736.59

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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.