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Finding the Fourth Proportional to 29,796.47, 44,711.12 and 18,117.89

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Solution

The fourth proportional to 29,796.47, 44,711.12 and 18,117.89 is: 27,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,796.47 : 44,711.12 = 18,117.89 : x
  2. Step 2: Convert to fraction form
    29,796.47/44,711.12 = 18,117.89/x
  3. Step 3: Cross multiply
    29,796.47x = 44,711.12 × 18,117.89
  4. Step 4: Simplify right side
    29,796.47x = 810,071,153.94
  5. Step 5: Solve for x
    x = 810,071,153.94/29,796.47
  6. Step 6: Final answer
    x = 27,186.82

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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.