Home / 30,052.48-41,468.78-16,621.90

Finding the Fourth Proportional to 30,052.48, 41,468.78 and 16,621.90

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Solution

The fourth proportional to 30,052.48, 41,468.78 and 16,621.90 is: 22,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.48 : 41,468.78 = 16,621.90 : x
  2. Step 2: Convert to fraction form
    30,052.48/41,468.78 = 16,621.90/x
  3. Step 3: Cross multiply
    30,052.48x = 41,468.78 × 16,621.90
  4. Step 4: Simplify right side
    30,052.48x = 689,289,914.28
  5. Step 5: Solve for x
    x = 689,289,914.28/30,052.48
  6. Step 6: Final answer
    x = 22,936.21

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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.