Home / 73,035.87-109,556.52-20,443.98

Finding the Fourth Proportional to 73,035.87, 109,556.52 and 20,443.98

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Solution

The fourth proportional to 73,035.87, 109,556.52 and 20,443.98 is: 30,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,035.87 : 109,556.52 = 20,443.98 : x
  2. Step 2: Convert to fraction form
    73,035.87/109,556.52 = 20,443.98/x
  3. Step 3: Cross multiply
    73,035.87x = 109,556.52 × 20,443.98
  4. Step 4: Simplify right side
    73,035.87x = 2,239,771,303.75
  5. Step 5: Solve for x
    x = 2,239,771,303.75/73,035.87
  6. Step 6: Final answer
    x = 30,666.73

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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.