Home / 30,998.06-42,777.14-17,571.86

Finding the Fourth Proportional to 30,998.06, 42,777.14 and 17,571.86

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Solution

The fourth proportional to 30,998.06, 42,777.14 and 17,571.86 is: 24,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,998.06 : 42,777.14 = 17,571.86 : x
  2. Step 2: Convert to fraction form
    30,998.06/42,777.14 = 17,571.86/x
  3. Step 3: Cross multiply
    30,998.06x = 42,777.14 × 17,571.86
  4. Step 4: Simplify right side
    30,998.06x = 751,673,915.28
  5. Step 5: Solve for x
    x = 751,673,915.28/30,998.06
  6. Step 6: Final answer
    x = 24,249.06

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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.