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Finding the Fourth Proportional to 29,494.40, 44,240.48 and 11,959.52

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Solution

The fourth proportional to 29,494.40, 44,240.48 and 11,959.52 is: 17,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,494.40 : 44,240.48 = 11,959.52 : x
  2. Step 2: Convert to fraction form
    29,494.40/44,240.48 = 11,959.52/x
  3. Step 3: Cross multiply
    29,494.40x = 44,240.48 × 11,959.52
  4. Step 4: Simplify right side
    29,494.40x = 529,094,905.37
  5. Step 5: Solve for x
    x = 529,094,905.37/29,494.40
  6. Step 6: Final answer
    x = 17,938.83

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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.