Home / 29,847.78-41,190.96-16,420.02

Finding the Fourth Proportional to 29,847.78, 41,190.96 and 16,420.02

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Solution

The fourth proportional to 29,847.78, 41,190.96 and 16,420.02 is: 22,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,847.78 : 41,190.96 = 16,420.02 : x
  2. Step 2: Convert to fraction form
    29,847.78/41,190.96 = 16,420.02/x
  3. Step 3: Cross multiply
    29,847.78x = 41,190.96 × 16,420.02
  4. Step 4: Simplify right side
    29,847.78x = 676,356,387.02
  5. Step 5: Solve for x
    x = 676,356,387.02/29,847.78
  6. Step 6: Final answer
    x = 22,660.19

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1.5x scale

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.