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Finding the Fourth Proportional to 43,808.82, 65,608.02 and 25,031.94

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Solution

The fourth proportional to 43,808.82, 65,608.02 and 25,031.94 is: 37,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,808.82 : 65,608.02 = 25,031.94 : x
  2. Step 2: Convert to fraction form
    43,808.82/65,608.02 = 25,031.94/x
  3. Step 3: Cross multiply
    43,808.82x = 65,608.02 × 25,031.94
  4. Step 4: Simplify right side
    43,808.82x = 1,642,296,020.16
  5. Step 5: Solve for x
    x = 1,642,296,020.16/43,808.82
  6. Step 6: Final answer
    x = 37,487.79

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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.