Home / 75,786.05-113,679.45-19,622.22

Finding the Fourth Proportional to 75,786.05, 113,679.45 and 19,622.22

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Solution

The fourth proportional to 75,786.05, 113,679.45 and 19,622.22 is: 29,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,786.05 : 113,679.45 = 19,622.22 : x
  2. Step 2: Convert to fraction form
    75,786.05/113,679.45 = 19,622.22/x
  3. Step 3: Cross multiply
    75,786.05x = 113,679.45 × 19,622.22
  4. Step 4: Simplify right side
    75,786.05x = 2,230,643,177.38
  5. Step 5: Solve for x
    x = 2,230,643,177.38/75,786.05
  6. Step 6: Final answer
    x = 29,433.43

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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.