Home / 35,310.88-48,723.60-20,404

Finding the Fourth Proportional to 35,310.88, 48,723.60 and 20,404

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Solution

The fourth proportional to 35,310.88, 48,723.60 and 20,404 is: 28,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.88 : 48,723.60 = 20,404 : x
  2. Step 2: Convert to fraction form
    35,310.88/48,723.60 = 20,404/x
  3. Step 3: Cross multiply
    35,310.88x = 48,723.60 × 20,404
  4. Step 4: Simplify right side
    35,310.88x = 994,156,334.40
  5. Step 5: Solve for x
    x = 994,156,334.40/35,310.88
  6. Step 6: Final answer
    x = 28,154.39

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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.