Home / 73,250.05-109,865.31-20,663.77

Finding the Fourth Proportional to 73,250.05, 109,865.31 and 20,663.77

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Solution

The fourth proportional to 73,250.05, 109,865.31 and 20,663.77 is: 30,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,250.05 : 109,865.31 = 20,663.77 : x
  2. Step 2: Convert to fraction form
    73,250.05/109,865.31 = 20,663.77/x
  3. Step 3: Cross multiply
    73,250.05x = 109,865.31 × 20,663.77
  4. Step 4: Simplify right side
    73,250.05x = 2,270,231,496.82
  5. Step 5: Solve for x
    x = 2,270,231,496.82/73,250.05
  6. Step 6: Final answer
    x = 30,992.90

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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.