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Finding the Fourth Proportional to 30,324.35, 45,498 and 10,604.90

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Solution

The fourth proportional to 30,324.35, 45,498 and 10,604.90 is: 15,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,324.35 : 45,498 = 10,604.90 : x
  2. Step 2: Convert to fraction form
    30,324.35/45,498 = 10,604.90/x
  3. Step 3: Cross multiply
    30,324.35x = 45,498 × 10,604.90
  4. Step 4: Simplify right side
    30,324.35x = 482,501,740.20
  5. Step 5: Solve for x
    x = 482,501,740.20/30,324.35
  6. Step 6: Final answer
    x = 15,911.36

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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.