Home / 30,198.70-45,298.99-14,405.44

Finding the Fourth Proportional to 30,198.70, 45,298.99 and 14,405.44

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Solution

The fourth proportional to 30,198.70, 45,298.99 and 14,405.44 is: 21,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.70 : 45,298.99 = 14,405.44 : x
  2. Step 2: Convert to fraction form
    30,198.70/45,298.99 = 14,405.44/x
  3. Step 3: Cross multiply
    30,198.70x = 45,298.99 × 14,405.44
  4. Step 4: Simplify right side
    30,198.70x = 652,551,882.51
  5. Step 5: Solve for x
    x = 652,551,882.51/30,198.70
  6. Step 6: Final answer
    x = 21,608.61

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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.