Home / 33,122.87-45,710.15-18,015.86

Finding the Fourth Proportional to 33,122.87, 45,710.15 and 18,015.86

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Solution

The fourth proportional to 33,122.87, 45,710.15 and 18,015.86 is: 24,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,122.87 : 45,710.15 = 18,015.86 : x
  2. Step 2: Convert to fraction form
    33,122.87/45,710.15 = 18,015.86/x
  3. Step 3: Cross multiply
    33,122.87x = 45,710.15 × 18,015.86
  4. Step 4: Simplify right side
    33,122.87x = 823,507,458.62
  5. Step 5: Solve for x
    x = 823,507,458.62/33,122.87
  6. Step 6: Final answer
    x = 24,862.20

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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.