Home / 29,120.00-40,180.68-16,371.50

Finding the Fourth Proportional to 29,120.00, 40,180.68 and 16,371.50

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Solution

The fourth proportional to 29,120.00, 40,180.68 and 16,371.50 is: 22,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.00 : 40,180.68 = 16,371.50 : x
  2. Step 2: Convert to fraction form
    29,120.00/40,180.68 = 16,371.50/x
  3. Step 3: Cross multiply
    29,120.00x = 40,180.68 × 16,371.50
  4. Step 4: Simplify right side
    29,120.00x = 657,817,801.72
  5. Step 5: Solve for x
    x = 657,817,801.72/29,120.00
  6. Step 6: Final answer
    x = 22,589.90

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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.