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Finding the Fourth Proportional to 51,293.96, 76,968.04 and 36,397.34

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Solution

The fourth proportional to 51,293.96, 76,968.04 and 36,397.34 is: 54,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293.96 : 76,968.04 = 36,397.34 : x
  2. Step 2: Convert to fraction form
    51,293.96/76,968.04 = 36,397.34/x
  3. Step 3: Cross multiply
    51,293.96x = 76,968.04 × 36,397.34
  4. Step 4: Simplify right side
    51,293.96x = 2,801,431,864.98
  5. Step 5: Solve for x
    x = 2,801,431,864.98/51,293.96
  6. Step 6: Final answer
    x = 54,615.24

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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.