Home / 47,817.77-65,961.56-28,692.46

Finding the Fourth Proportional to 47,817.77, 65,961.56 and 28,692.46

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Solution

The fourth proportional to 47,817.77, 65,961.56 and 28,692.46 is: 39,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,817.77 : 65,961.56 = 28,692.46 : x
  2. Step 2: Convert to fraction form
    47,817.77/65,961.56 = 28,692.46/x
  3. Step 3: Cross multiply
    47,817.77x = 65,961.56 × 28,692.46
  4. Step 4: Simplify right side
    47,817.77x = 1,892,598,948.57
  5. Step 5: Solve for x
    x = 1,892,598,948.57/47,817.77
  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.