Home / 42,155.25-63,236.49-17,197.03

Finding the Fourth Proportional to 42,155.25, 63,236.49 and 17,197.03

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Solution

The fourth proportional to 42,155.25, 63,236.49 and 17,197.03 is: 25,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,155.25 : 63,236.49 = 17,197.03 : x
  2. Step 2: Convert to fraction form
    42,155.25/63,236.49 = 17,197.03/x
  3. Step 3: Cross multiply
    42,155.25x = 63,236.49 × 17,197.03
  4. Step 4: Simplify right side
    42,155.25x = 1,087,479,815.62
  5. Step 5: Solve for x
    x = 1,087,479,815.62/42,155.25
  6. Step 6: Final answer
    x = 25,797.02

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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.