Home / 33,989.64-50,971.41-18,398.76

Finding the Fourth Proportional to 33,989.64, 50,971.41 and 18,398.76

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Solution

The fourth proportional to 33,989.64, 50,971.41 and 18,398.76 is: 27,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,989.64 : 50,971.41 = 18,398.76 : x
  2. Step 2: Convert to fraction form
    33,989.64/50,971.41 = 18,398.76/x
  3. Step 3: Cross multiply
    33,989.64x = 50,971.41 × 18,398.76
  4. Step 4: Simplify right side
    33,989.64x = 937,810,739.45
  5. Step 5: Solve for x
    x = 937,810,739.45/33,989.64
  6. Step 6: Final answer
    x = 27,591.08

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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.