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Finding the Fourth Proportional to 44,893.88, 67,340.82 and 13,728.86

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Solution

The fourth proportional to 44,893.88, 67,340.82 and 13,728.86 is: 20,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,893.88 : 67,340.82 = 13,728.86 : x
  2. Step 2: Convert to fraction form
    44,893.88/67,340.82 = 13,728.86/x
  3. Step 3: Cross multiply
    44,893.88x = 67,340.82 × 13,728.86
  4. Step 4: Simplify right side
    44,893.88x = 924,512,690.07
  5. Step 5: Solve for x
    x = 924,512,690.07/44,893.88
  6. Step 6: Final answer
    x = 20,593.29

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1.5x scale

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.