Home / 30,122.22-45,198.83-14,345.14

Finding the Fourth Proportional to 30,122.22, 45,198.83 and 14,345.14

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Solution

The fourth proportional to 30,122.22, 45,198.83 and 14,345.14 is: 21,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.22 : 45,198.83 = 14,345.14 : x
  2. Step 2: Convert to fraction form
    30,122.22/45,198.83 = 14,345.14/x
  3. Step 3: Cross multiply
    30,122.22x = 45,198.83 × 14,345.14
  4. Step 4: Simplify right side
    30,122.22x = 648,383,544.19
  5. Step 5: Solve for x
    x = 648,383,544.19/30,122.22
  6. Step 6: Final answer
    x = 21,525.09

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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.