Home / 30,929.94-46,353.60-16,107.78

Finding the Fourth Proportional to 30,929.94, 46,353.60 and 16,107.78

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Solution

The fourth proportional to 30,929.94, 46,353.60 and 16,107.78 is: 24,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929.94 : 46,353.60 = 16,107.78 : x
  2. Step 2: Convert to fraction form
    30,929.94/46,353.60 = 16,107.78/x
  3. Step 3: Cross multiply
    30,929.94x = 46,353.60 × 16,107.78
  4. Step 4: Simplify right side
    30,929.94x = 746,653,591.01
  5. Step 5: Solve for x
    x = 746,653,591.01/30,929.94
  6. Step 6: Final answer
    x = 24,140.16

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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.