Home / 29,517.02-44,171.55-18,428.90

Finding the Fourth Proportional to 29,517.02, 44,171.55 and 18,428.90

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Solution

The fourth proportional to 29,517.02, 44,171.55 and 18,428.90 is: 27,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,517.02 : 44,171.55 = 18,428.90 : x
  2. Step 2: Convert to fraction form
    29,517.02/44,171.55 = 18,428.90/x
  3. Step 3: Cross multiply
    29,517.02x = 44,171.55 × 18,428.90
  4. Step 4: Simplify right side
    29,517.02x = 814,033,077.80
  5. Step 5: Solve for x
    x = 814,033,077.80/29,517.02
  6. Step 6: Final answer
    x = 27,578.43

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1.5x scale

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.