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Finding the Fourth Proportional to 29,404.05, 44,112.68 and 9,681.90

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Solution

The fourth proportional to 29,404.05, 44,112.68 and 9,681.90 is: 14,525.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,404.05 : 44,112.68 = 9,681.90 : x
  2. Step 2: Convert to fraction form
    29,404.05/44,112.68 = 9,681.90/x
  3. Step 3: Cross multiply
    29,404.05x = 44,112.68 × 9,681.90
  4. Step 4: Simplify right side
    29,404.05x = 427,094,556.49
  5. Step 5: Solve for x
    x = 427,094,556.49/29,404.05
  6. Step 6: Final answer
    x = 14,525.02

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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.