Home / 31,269.97-43,152.62-16,929.95

Finding the Fourth Proportional to 31,269.97, 43,152.62 and 16,929.95

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Solution

The fourth proportional to 31,269.97, 43,152.62 and 16,929.95 is: 23,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.97 : 43,152.62 = 16,929.95 : x
  2. Step 2: Convert to fraction form
    31,269.97/43,152.62 = 16,929.95/x
  3. Step 3: Cross multiply
    31,269.97x = 43,152.62 × 16,929.95
  4. Step 4: Simplify right side
    31,269.97x = 730,571,905.50
  5. Step 5: Solve for x
    x = 730,571,905.50/31,269.97
  6. Step 6: Final answer
    x = 23,363.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.