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Finding the Fourth Proportional to 40,076.96, 60,101.36 and 13,784.88

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Solution

The fourth proportional to 40,076.96, 60,101.36 and 13,784.88 is: 20,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.96 : 60,101.36 = 13,784.88 : x
  2. Step 2: Convert to fraction form
    40,076.96/60,101.36 = 13,784.88/x
  3. Step 3: Cross multiply
    40,076.96x = 60,101.36 × 13,784.88
  4. Step 4: Simplify right side
    40,076.96x = 828,490,035.44
  5. Step 5: Solve for x
    x = 828,490,035.44/40,076.96
  6. Step 6: Final answer
    x = 20,672.48

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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.