Home / 51,788.64-77,692.98-20,197.43

Finding the Fourth Proportional to 51,788.64, 77,692.98 and 20,197.43

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Solution

The fourth proportional to 51,788.64, 77,692.98 and 20,197.43 is: 30,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,788.64 : 77,692.98 = 20,197.43 : x
  2. Step 2: Convert to fraction form
    51,788.64/77,692.98 = 20,197.43/x
  3. Step 3: Cross multiply
    51,788.64x = 77,692.98 × 20,197.43
  4. Step 4: Simplify right side
    51,788.64x = 1,569,198,136.58
  5. Step 5: Solve for x
    x = 1,569,198,136.58/51,788.64
  6. Step 6: Final answer
    x = 30,300.05

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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.