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Finding the Fourth Proportional to 36,904.13, 50,909.03 and 21,580.66

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Solution

The fourth proportional to 36,904.13, 50,909.03 and 21,580.66 is: 29,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,904.13 : 50,909.03 = 21,580.66 : x
  2. Step 2: Convert to fraction form
    36,904.13/50,909.03 = 21,580.66/x
  3. Step 3: Cross multiply
    36,904.13x = 50,909.03 × 21,580.66
  4. Step 4: Simplify right side
    36,904.13x = 1,098,650,467.36
  5. Step 5: Solve for x
    x = 1,098,650,467.36/36,904.13
  6. Step 6: Final answer
    x = 29,770.39

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1.5x scale

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.