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Finding the Fourth Proportional to 29,997.98, 44,990.67 and 13,770.75

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Solution

The fourth proportional to 29,997.98, 44,990.67 and 13,770.75 is: 20,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,997.98 : 44,990.67 = 13,770.75 : x
  2. Step 2: Convert to fraction form
    29,997.98/44,990.67 = 13,770.75/x
  3. Step 3: Cross multiply
    29,997.98x = 44,990.67 × 13,770.75
  4. Step 4: Simplify right side
    29,997.98x = 619,555,268.90
  5. Step 5: Solve for x
    x = 619,555,268.90/29,997.98
  6. Step 6: Final answer
    x = 20,653.23

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1.5x scale

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.