Home / 36,799.82-50,782.95-21,489

Finding the Fourth Proportional to 36,799.82, 50,782.95 and 21,489

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Solution

The fourth proportional to 36,799.82, 50,782.95 and 21,489 is: 29,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,799.82 : 50,782.95 = 21,489 : x
  2. Step 2: Convert to fraction form
    36,799.82/50,782.95 = 21,489/x
  3. Step 3: Cross multiply
    36,799.82x = 50,782.95 × 21,489
  4. Step 4: Simplify right side
    36,799.82x = 1,091,274,812.55
  5. Step 5: Solve for x
    x = 1,091,274,812.55/36,799.82
  6. Step 6: Final answer
    x = 29,654.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.