Home / 31,692.72-47,544.48-15,905.28

Finding the Fourth Proportional to 31,692.72, 47,544.48 and 15,905.28

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Solution

The fourth proportional to 31,692.72, 47,544.48 and 15,905.28 is: 23,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692.72 : 47,544.48 = 15,905.28 : x
  2. Step 2: Convert to fraction form
    31,692.72/47,544.48 = 15,905.28/x
  3. Step 3: Cross multiply
    31,692.72x = 47,544.48 × 15,905.28
  4. Step 4: Simplify right side
    31,692.72x = 756,208,266.85
  5. Step 5: Solve for x
    x = 756,208,266.85/31,692.72
  6. Step 6: Final answer
    x = 23,860.63

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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.