Home / 47,817.60-65,961.36-28,692.44

Finding the Fourth Proportional to 47,817.60, 65,961.36 and 28,692.44

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Solution

The fourth proportional to 47,817.60, 65,961.36 and 28,692.44 is: 39,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,817.60 : 65,961.36 = 28,692.44 : x
  2. Step 2: Convert to fraction form
    47,817.60/65,961.36 = 28,692.44/x
  3. Step 3: Cross multiply
    47,817.60x = 65,961.36 × 28,692.44
  4. Step 4: Simplify right side
    47,817.60x = 1,892,592,364.12
  5. Step 5: Solve for x
    x = 1,892,592,364.12/47,817.60
  6. Step 6: Final answer
    x = 39,579.41

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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.