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Finding the Fourth Proportional to 29,972.16, 44,964.64 and 11,504

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Solution

The fourth proportional to 29,972.16, 44,964.64 and 11,504 is: 17,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,972.16 : 44,964.64 = 11,504 : x
  2. Step 2: Convert to fraction form
    29,972.16/44,964.64 = 11,504/x
  3. Step 3: Cross multiply
    29,972.16x = 44,964.64 × 11,504
  4. Step 4: Simplify right side
    29,972.16x = 517,273,218.56
  5. Step 5: Solve for x
    x = 517,273,218.56/29,972.16
  6. Step 6: Final answer
    x = 17,258.46

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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.