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Finding the Fourth Proportional to 44,893.62, 67,340.43 and 13,728.87

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Solution

The fourth proportional to 44,893.62, 67,340.43 and 13,728.87 is: 20,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,893.62 : 67,340.43 = 13,728.87 : x
  2. Step 2: Convert to fraction form
    44,893.62/67,340.43 = 13,728.87/x
  3. Step 3: Cross multiply
    44,893.62x = 67,340.43 × 13,728.87
  4. Step 4: Simplify right side
    44,893.62x = 924,508,009.21
  5. Step 5: Solve for x
    x = 924,508,009.21/44,893.62
  6. Step 6: Final answer
    x = 20,593.31

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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.