Home / 51,231.52-70,692.42-30,017.44

Finding the Fourth Proportional to 51,231.52, 70,692.42 and 30,017.44

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Solution

The fourth proportional to 51,231.52, 70,692.42 and 30,017.44 is: 41,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231.52 : 70,692.42 = 30,017.44 : x
  2. Step 2: Convert to fraction form
    51,231.52/70,692.42 = 30,017.44/x
  3. Step 3: Cross multiply
    51,231.52x = 70,692.42 × 30,017.44
  4. Step 4: Simplify right side
    51,231.52x = 2,122,005,475.80
  5. Step 5: Solve for x
    x = 2,122,005,475.80/51,231.52
  6. Step 6: Final answer
    x = 41,419.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.