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Finding the Fourth Proportional to 29,489.78, 44,234.40 and 11,955.44

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Solution

The fourth proportional to 29,489.78, 44,234.40 and 11,955.44 is: 17,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489.78 : 44,234.40 = 11,955.44 : x
  2. Step 2: Convert to fraction form
    29,489.78/44,234.40 = 11,955.44/x
  3. Step 3: Cross multiply
    29,489.78x = 44,234.40 × 11,955.44
  4. Step 4: Simplify right side
    29,489.78x = 528,841,870.55
  5. Step 5: Solve for x
    x = 528,841,870.55/29,489.78
  6. Step 6: Final answer
    x = 17,933.05

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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.