Home / 45,383.20-67,977.60-36,635.20

Finding the Fourth Proportional to 45,383.20, 67,977.60 and 36,635.20

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Solution

The fourth proportional to 45,383.20, 67,977.60 and 36,635.20 is: 54,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,383.20 : 67,977.60 = 36,635.20 : x
  2. Step 2: Convert to fraction form
    45,383.20/67,977.60 = 36,635.20/x
  3. Step 3: Cross multiply
    45,383.20x = 67,977.60 × 36,635.20
  4. Step 4: Simplify right side
    45,383.20x = 2,490,372,971.52
  5. Step 5: Solve for x
    x = 2,490,372,971.52/45,383.20
  6. Step 6: Final answer
    x = 54,874.34

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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.