Home / 40,060.12-60,091.56-13,764.64

Finding the Fourth Proportional to 40,060.12, 60,091.56 and 13,764.64

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Solution

The fourth proportional to 40,060.12, 60,091.56 and 13,764.64 is: 20,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,060.12 : 60,091.56 = 13,764.64 : x
  2. Step 2: Convert to fraction form
    40,060.12/60,091.56 = 13,764.64/x
  3. Step 3: Cross multiply
    40,060.12x = 60,091.56 × 13,764.64
  4. Step 4: Simplify right side
    40,060.12x = 827,138,690.44
  5. Step 5: Solve for x
    x = 827,138,690.44/40,060.12
  6. Step 6: Final answer
    x = 20,647.43

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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.