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Finding the Fourth Proportional to 29,900.45, 44,825.23 and 13,251.41

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Solution

The fourth proportional to 29,900.45, 44,825.23 and 13,251.41 is: 19,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,900.45 : 44,825.23 = 13,251.41 : x
  2. Step 2: Convert to fraction form
    29,900.45/44,825.23 = 13,251.41/x
  3. Step 3: Cross multiply
    29,900.45x = 44,825.23 × 13,251.41
  4. Step 4: Simplify right side
    29,900.45x = 593,997,501.07
  5. Step 5: Solve for x
    x = 593,997,501.07/29,900.45
  6. Step 6: Final answer
    x = 19,865.84

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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.